View source for List of World War II battles

{{Short description|none}}
{{Expand list|date=March 2016}}

[[Image:A heavy explosion on board USS Lexington (CV-2) blows an aircraft over her side, 8 May 1942 (80-G-7413).jpg|thumb|250px|[[USS Lexington (CV-2)|USS Lexington]] explodes during the [[Battle of the Coral Sea]].]]
[[Image:Supermarinespitfire.JPG|thumb|250px|A formation of [[Supermarine Spitfire|Spitfires]] shortly before World War II.]]
This is a '''list of World War II battles''' encompassing land, naval, and air engagements as well as campaigns, operations, defensive lines and sieges. Campaigns generally refer to broader strategic operations conducted over a large bit of territory and over a long period. Battles generally refer to short periods of intense combat localised to a specific area and over a specific period. However, use of the terms in naming such events is not consistent. For example, the [[Battle of the Atlantic]] was more or less an entire theatre of war, and the so-called battle lasted for the duration of the entire war. Another misnomer is the [[Battle of Britain]], which should be considered a campaign, not a battle.

{| class="wikitable sortable"
|+
!Battle
!Campaign
!Theatre
!Start
!End
!Allies
!Axis
!Victory
|-
|[[Battle of Westerplatte|Westerplatte]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-07
| rowspan="29" |{{#invoke:flag|country|Second Polish Republic}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Free City of Danzig}}
|Axis
|-
|[[Battle of Chojnice (1939)|Chojnice]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-01
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Defence of the Polish Post Office in Danzig|Danzig]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-01
|{{#invoke:flag|country|Free City of Danzig}}
|Axis
|-
|[[Battle of Danzig Bay|Danzig Bay]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-01
| rowspan="12" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Charge at Krojanty|Krojanty]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-01
|Axis
|-
|[[Battle of Lasy Królewskie|Lasy Królewskie]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-01
|Allies
|-
|[[Battle of Mokra|Mokra]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-01
|Allies
|-
|[[Battle of Mikołów|Mikołów]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-02
|Axis
|-
|[[Battle of Pszczyna|Pszczyna]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-02
|Axis
|-
|[[Battle of Częstochowa (1939)|Częstochowa]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-03
|Axis
|-
|[[Battle of Mława|Mława]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-03
|Axis
|-
|[[Battle of Jordanów|Jordanów]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-03
|Axis
|-
|[[Battle of Węgierska Górka|Węgierska Górka]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-03
|Axis
|-
|[[Battle of Grudziądz|Grudziądz]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-04
|Axis
|-
|[[Battle of Tuchola Forest|Tuchola Forest]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-05
|Axis
|-
|[[Slovak invasion of Poland]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-09-16
|{{#invoke:flag|country|Slovak Republic (1939–1945)}}
|Axis
|-
|[[Battle of Hel|Hel]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-01
|1939-10-02
| rowspan="24" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Raid on Fraustadt|Fraustadt]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-02
|Allies
|-
|[[Battle of Borowa Góra|Borowa Góra]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-02
|1939-09-06
|Axis
|-
|[[Battle of Bukowiec|Bukowiec]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-03
|Axis
|-
|[[Defense of Katowice|Katowice]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-03
|1939-09-04
|Axis
|-
|[[Battle of Piotrków Trybunalski|Piotrków Trybunalski]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-04
|1939-09-06
|Axis
|-
|[[Battle of Różan|Różan]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-04
|1939-09-06
|Axis
|-
|[[Battle of Tomaszów Mazowiecki|Tomaszów Mazowiecki]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-06
|Axis
|-
|[[Battle of Pułtusk (1939)|Pułtusk]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-06
|1939-09-07
|Axis
|-
|[[Battle of Łódź (1939)|Łódź]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-06
|1939-09-08
|Axis
|-
|[[Battle of Barak|Barak]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-07
|1939-09-08
|Allies
|-
|[[Battle of Łomża (1939)|Łomża]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-07
|1939-09-10
|Axis
|-
|[[Battle of Wizna|Wizna]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-07
|1939-09-10
|Axis
|-
|[[Saar Offensive]]
|[[Phoney War]]
|[[Western Front (World War II)|Western Front]]
|1939-09-07
|1939-10-16
|{{#invoke:flag|country|French Third Republic}}
|Axis
|-
|[[Battle of Wola Cyrusowa|Wola Cyrusowa]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-08
| rowspan="28" |{{#invoke:flag|country|Second Polish Republic}}
|Allies
|-
|[[Battle of Radom|Radom]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-08
|1939-09-09
|Axis
|-
|[[Battle of Gdynia|Gdynia]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-08
|1939-09-14
|Axis
|-
|[[Siege of Warsaw (1939)|Warsaw]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-08
|1939-09-28
|Axis
|-
|[[Battle of the Bzura|Bzura]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-09
|1939-09-19
|Axis
|-
|[[Battle of Kampinos Forest|Kampinos Forest]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-09
|1939-09-20
|Axis
|-
|[[Battle of Jarosław|Jarosław]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-10
|1939-09-11
|Axis
|-
|[[Battle of Kępa Oksywska|Kępa Oksywska]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-10
|1939-09-19
|Axis
|-
|[[Battle of Kałuszyn|Kałuszyn]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-11
|1939-09-12
|Allies
|-
|[[Battle of Przemyśl (1939)|Przemyśl]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-11
|1939-09-14
|Axis
|-
|[[Battle of Lwów (1939)|Lwów]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-12
|1939-09-22
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Soviet Union|1936}}
|Axis
|-
|[[Battle of Modlin|Modlin]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-13
|1939-09-29
| rowspan="5" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Jaworów|Jaworów]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-14
|1939-09-16
|Allies
|-
|[[Battle of Brześć Litewski|Brześć Litewski]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-14
|1939-09-17
|Axis
|-
|[[Battle of Kobryń|Kobryń]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-14
|1939-09-18
|Inconclusive
|-
|[[Battle of Tomaszów Lubelski|Tomaszów Lubelski]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-17
|1939-09-26
|Axis
|-
|[[Battle of Wilno (1939)|Wilno]]
|[[Soviet invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-18
|1939-09-19
|{{#invoke:flag|country|Soviet Union|1936}}
|Soviet
|-
|[[Battle of Wólka Węglowa|Wólka Węglowa]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-19
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Krasnystaw|Krasnystaw]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-19
|1939-09-20
|Axis
|-
|[[Battle of Grodno (1939)|Grodno]]
|[[Soviet invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-20
|1939-09-22
|{{#invoke:flag|country|Soviet Union|1936}}
|Soviet
|-
|[[Battle of Cześniki|Cześniki]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-09-21
|1939-09-22
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Łomianki|Łomianki]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-22
|{{#invoke:flag|country|Soviet Union|1936}}
|Axis
|-
|[[Battle of Krasnobród|Krasnobród]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-23
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Husynne|Husynne]]
|[[Soviet invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-24
| rowspan="4" |{{#invoke:flag|country|Soviet Union|1936}}
|Soviet
|-
|[[Battle of Władypol|Władypol]]
|[[Soviet invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-27
|Soviet
|-
|[[Battle of Szack|Szack]]
|[[Soviet invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-09-28
|Allies
|-
|[[Battle of Wytyczno|Wytyczno]]
|[[Soviet invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-10-01
|Soviet
|-
|[[Battle of Kock (1939)|Kock]]
|[[Invasion of Poland]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-10-02
|1939-10-05
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Suomussalmi|Suomussalmi]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-11-30
|1940-01-08
| rowspan="4" |{{#invoke:flag|country|Finland}}
| rowspan="4" |{{#invoke:flag|country|Soviet Union|1936}}
|Finnish
|-
|[[Battle of Petsamo|Petsamo]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-11-30
|1940-03-13
|Soviet
|-
|[[Battle of Salla (1939)|Salla]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-11-30
|1940-03-13
|Finnish
|-
|[[Battle of Ilomantsi (1939)|Ilomantsi]] (1939)
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-12-10
|1939-12-16
|Stalemate
|-
|[[Battle of the River Plate|River Plate]]
| colspan="2" |[[Battle of the Atlantic]]
| colspan="2" |1939-12-13
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Taipale|Taipale]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-12-06
|1939-12-27
| rowspan="9" |{{#invoke:flag|country|Finland}}
| rowspan="9" |{{#invoke:flag|country|Soviet Union|1936}}
|Finnish
|-
|[[Battle of Kollaa|Kollaa]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-12-07
|1940-03-13
|Finnish
|-
|[[Battle of Varolampi Pond|Varolampi Pond]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-12-10
|1939-12-11
|Finnish
|-
|[[Battle of Tolvajärvi|Tolvajärvi]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1939-12-12
|Finnish
|-
|[[Battle of Summa|Summa]] (first)
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-12-16
|1939-12-22
|Finnish
|-
|[[Battle of Kelja|Kelja]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1939-12-25
|1939-12-27
|Finnish
|-
|[[Battle of Raate Road|Raate Road]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1940-01-01
|1940-01-07
|Finnish
|-
|[[Battle of Kuhmo|Kuhmo]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1940-01-28
|1940-03-13
|Stalemate
|-
|[[Battle of Summa|Summa]] (second)
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1940-02-01
|1940-02-15
|Soviet
|-
|[[Altmark incident|Altmark]]
|[[Phoney War]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-02-16
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Honkaniemi|Honkaniemi]]
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1940-02-25
|1940-02-27
| rowspan="2" |{{#invoke:flag|country|Finland}}
| rowspan="2" |{{#invoke:flag|country|Soviet Union|1936}}
|Soviet
|-
|[[Battle of Vyborg Bay (1940)|Vyborg Bay]] (1940)
|[[Winter War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1940-03-02
|1940-03-13
|Ceasefire
|-
|[[Action in the Oslofjord|Oslofjord]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-08
|{{#invoke:flag|country|Norway}}
| rowspan="22" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[German invasion of Denmark (1940)|German invasion of Denmark]]
|[[Operation Weserübung]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
|{{#invoke:flag|country|Denmark}}
|Axis
|-
|[[Battle of Drøbak Sound|Drøbak Sound]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
| rowspan="4" |{{#invoke:flag|country|Norway}}
|Allies
|-
|[[Battle of Fornebu|Fornebu]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
|Axis
|-
|[[Battle of Horten Harbour|Horten Harbour]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
|Axis
|-
|[[Battle of Kristiansand (1940)|Kristiansand]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
|Axis
|-
|[[Action off Lofoten|Lofoten]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
|{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Battles of Narvik|Narvik]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04-09
|1940-06-08
|{{flag|Norway}}<br />{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{flagdeco|Poland|1928}} [[Polish government-in-exile|Poland]]
|Allies
|-
|[[Battles of Narvik|Narvik]] (naval Norwegian)
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-09
| rowspan="2" |{{#invoke:flag|country|Norway}}
|Axis
|-
|[[Battle of Midtskogen|Midtskogen]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-10
|Allies
|-
|[[Battles of Narvik|Narvik]] (first naval)
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-10
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Battles of Narvik|Narvik]] (second naval)
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-13
|Allies
|-
|[[Battle of Dombås|Dombås]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04-14
|1940-04-19
| rowspan="2" |{{#invoke:flag|country|Norway}}
|Allies
|-
|[[Battle of Hegra Fortress|Hegra Fortress]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04-15
|1940-05-05
|Axis
|-
|[[Namsos campaign|Namsos]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04
|1940-05
|{{#invoke:flag|country|United Kingdom}}<br />{{flagcountry|French Third Republic}}<br />{{flag|Norway}}
|Axis
|-
|[[Åndalsnes landings|Åndalsnes]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04-19
|1940-05
|{{#invoke:flag|country|United Kingdom}}<br />{{flag|Norway}}
|Axis
|-
|[[Battle of Gratangen|Gratangen]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04-23
|1940-04-25
| rowspan="2" |{{#invoke:flag|country|Norway}}
|Axis
|-
|[[Battle of Høljarast Bridge|Høljarast Bridge]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-04-24
|Axis
|-
|[[Battle for Kvam|Kvam]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-04-25
|1940-04-26
|{{#invoke:flag|country|United Kingdom}}<br />{{flag|Norway}}
|Axis
|-
|[[Battle of Vinjesvingen|Vinjesvingen]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-05-03
|1940-05-05
|{{#invoke:flag|country|Norway}}
|Axis
|-
|[[Actions in Nordland|Nordland]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
|1940-05-08
|1940-06-01
|{{#invoke:flag|country|United Kingdom}}<br />{{flag|Norway}}
|Axis
|-
|[[Battle for The Hague|The Hague]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-05-10
|{{#invoke:flag|country|Netherlands}}
|Allies
|-
|[[Invasion of Iceland]]
|[[Allied occupation of Iceland]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-05-10
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Iceland}}
|Allies
|-
| colspan="2" |[[German invasion of Luxembourg]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-05-10
|{{#invoke:flag|country|Luxembourg}}
| rowspan="22" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Maastricht|Maastricht]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-05-10
|{{#invoke:flag|country|Netherlands}}
|Axis
|-
|[[Battle of Fort Ében-Émael|Fort Ében-Émael]]
|[[German invasion of Belgium (1940)|German invasion of Belgium]]
|[[Western Front (World War II)|Western Front]]
|1940-05-10
|1940-05-11
|{{#invoke:flag|country|Belgium}}
|Axis
|-
|[[Battle of Mill|Mill]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
|1940-05-10
|1940-05-11
| rowspan="2" |{{#invoke:flag|country|Netherlands}}
|Axis
|-
|[[Battle of Rotterdam|Rotterdam]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
|1940-05-10
|1940-05-14
|Axis
|-
|[[Battle of Zeeland|Zeeland]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
|1940-05-10
|1940-05-18
|{{flag|Netherlands}}<br />{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of the Grebbeberg|Grebbeberg]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
|1940-05-11
|1940-05-13
| rowspan="2" |{{#invoke:flag|country|Netherlands}}
|Axis
|-
|[[Battle of the Afsluitdijk|Afsluitdijk]]
|[[German invasion of the Netherlands]]
|[[Western Front (World War II)|Western Front]]
|1940-05-12
|1940-05-14
|Axis
|-
|[[Battle of Hannut|Hannut]]
|[[German invasion of Belgium (1940)|German invasion of Belgium]]
|[[Western Front (World War II)|Western Front]]
|1940-05-12
|1940-05-14
|{{#invoke:flag|country|Belgium}}
|Axis
|-
|[[Battle of Sedan (1940)|Sedan]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-05-12
|1940-05-17
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of Gembloux (1940)|Gembloux]]
|[[German invasion of Belgium (1940)|German invasion of Belgium]]
|[[Western Front (World War II)|Western Front]]
|1940-05-14
|1940-05-15
| rowspan="2" |{{flagcountry|French Third Republic}}
|Allies
|-
|[[Battle of Montcornet|Montcornet]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-05-17
|Allies
|-
|[[Battle of Arras (1940)|Arras]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-05-21
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of Boulogne|Boulogne]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-05-22
|1940-05-25
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{flag|Belgium}}
|Axis
|-
|[[Siege of Calais (1940)|Calais]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-05-22
|1940-05-26
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{flag|Belgium}}
|Axis
|-
|[[Battle of the Lys (1940)|Lys]]
|[[German invasion of Belgium (1940)|German invasion of Belgium]]
|[[Western Front (World War II)|Western Front]]
|1940-05-24
|1940-05-28
|{{flag|Belgium}}<br />{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of the Ypres–Comines Canal|Ypres–Comines Canal]]
|[[German invasion of Belgium (1940)|German invasion of Belgium]]
|[[Western Front (World War II)|Western Front]]
|1940-05-26
|1940-05-28
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Belgium}}
|Allies
|-
|[[Battle of Dunkirk|Dunkirk]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-05-26
|1940-06-04
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag||Belgium}}<br />{{#invoke:flag|country|Canada|1921}}<br />{{#invoke:flag|country|Netherlands}}
|Axis
|-
|[[Battle of Abbeville|Abbeville]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-05-27
|1940-06-04
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Siege of Lille (1940)|Lille]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-05-28
|1940-05-31
|{{flagcountry|French Third Republic}}
|Axis
|-
|[[Fall Rot]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-06-05
|1940-06-25
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Operation Juno]]
|[[Norwegian campaign]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-06-08
|{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Italian invasion of France]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-06-10
|1940-06-25
|{{flagcountry|French Third Republic}}<br />{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
| colspan="2" |[[Siege of Malta (World War II)|Siege of Malta]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-06-11
|1942-11-20
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Canada|1921}}<br />{{#invoke:flag|country|Union of South Africa}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}<br />{{#invoke:flag|country|Free France}}<br />{{flagdeco|Kingdom of Greece|state}} [[Greek government-in-exile|Greece]]<br />{{flagdeco|Poland|1928}} [[Polish government-in-exile|Poland]]<br />{{flagdeco|Norway}} [[Nygaardsvold's Cabinet|Norway]]<br />{{#invoke:flag|country|United States|1912}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Lagarde (1940)|Lagarde]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-06-17
|1940-06-18
|{{#invoke:flag|country|Second Polish Republic}}
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Saumur (1940)|Saumur]]
|[[Battle of France]]
|[[Western Front (World War II)|Western Front]]
|1940-06-18
|1940-06-20
|{{flagcountry|French Third Republic}}
|Axis
|-
|[[Battle of the Espero Convoy|Espero Convoy]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1940-06-28
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Inconclusive
|-
| colspan="3" |[[Soviet occupation of Bessarabia and Northern Bukovina]]
|1940-06-28
|1940-07-03
|{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]
|{{#invoke:flag|country|Soviet Union|1936}}<br />{{#invoke:flag|country|Nazi Germany}}
|Soviets
|-
|[[Attack on Mers-el-Kébir|Mers-el-Kébir]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1940-07-03
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}
|{{flagcountry|French Third Republic}}
|Allies
|-
|[[Capture of Kassala|Kassala]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
| colspan="2" |1940-07-04
|{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Kanalkampf]]
|[[Battle of Britain]]
|[[Western Front (World War II)|Western Front]]
|1940-07-04
|1940-08-11
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Netherlands}}<br />{{#invoke:flag|country|Norway}}<br />{{#invoke:flag|country|Canada|1921}}<br />{{flagicon|Poland}} [[Polish Armed Forces in the West|Poland]]<br />{{#invoke:flag|country|Belgium}}
|{{#invoke:flag|country|Nazi Germany}}
|Inconclusive
|-
|[[Battle of Calabria|Calabria]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1940-07-09
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
| rowspan="3" |{{#invoke:flag|country|Kingdom of Italy}}
|Inconclusive
|-
|[[Battle of Cape Spada|Cape Spada]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1940-07-19
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Tug Argan|Tug Argan]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-08-11
|1940-08-15
| rowspan="5" |{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Adlertag]]
|[[Battle of Britain]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-08-13
| rowspan="4" |{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[The Hardest Day]]
|[[Battle of Britain]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-08-18
|Inconclusive
|-
|[[Battle of Britain Day]]
|[[Battle of Britain]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-09-15
|Allies
|-
|[[Battle of Graveney Marsh|Graveney Marsh]]
|[[Battle of Britain]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1940-09-27
|Allies
|-
|[[Italian invasion of British Somaliland]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-08-03
|1940-08-19
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Union of South Africa}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[The Blitz]]
|[[Battle of Britain]]
|[[Western Front (World War II)|Western Front]]
|1940-09-07
|1941-05-11
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Inconclusive
|-
|[[Italian invasion of Egypt]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-09-09
|1940-09-16
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Free France}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|Lạng Sơn
|[[Japanese invasion of French Indochina]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1940-09-22
|1940-09-26
|{{flag|Vichy France}}
|{{#invoke:flag|country|Empire of Japan}}
|Japanese
|-
|[[Battle of Dakar|Dakar]]
|[[French West Africa in World War II|West African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-09-23
|1940-09-25
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Free France}}<br />{{#invoke:flag|country|Australia}}
|{{#invoke:flag|country|Vichy France}}
|Vichy
|-
| colspan="2" |[[Franco-Thai War]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1940-10
|1941-01-28
|{{flag|Vichy France}}
|{{#invoke:flag|country|Thailand}}
|Thai
|-
|[[Battle of Cape Passero (1940)|Cape Passero]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1940-10-12
|{{#invoke:flag|country|United Kingdom}}
| rowspan="2" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Attack on Convoy BN 7|Convoy BN 7]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-10-20
|1940-10-21
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Dominion of New Zealand}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Gabon|Gabon]]
|[[French West Africa in World War II|West African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-10-27
|1940-11-12
|{{#invoke:flag|country|Free France}}<br />{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Vichy France}}
|Allies
|-
|[[Battle of Pindus|Pindus]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-10-28
|1940-11-13
| rowspan="2" |{{#invoke:flag|country|Kingdom of Greece|state}}
| rowspan="3" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Elaia–Kalamas|Elaia–Kalamas]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-11-02
|1940-11-08
|Allies
|-
|[[Battle of Taranto|Taranto]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-11-11
|1940-11-12
|{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Battle of Morava–Ivan|Morava–Ivan]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-11-14
|1940-11-23
| rowspan="2" |{{#invoke:flag|country|Kingdom of Greece|state}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{flagdeco|Albania|1939}} [[Albania under Italy|Albania]]
|Allies
|-
|[[Battle of Korytsa|Korytsa]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-11-16
|1940-11-22
| rowspan="9" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Cape Spartivento|Cape Spartivento]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1940-11-27
|{{#invoke:flag|country|United Kingdom}}
|Inconclusive
|-
|[[Battle of Saranda|Saranda]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-12
|1940-12
|{{#invoke:flag|country|Kingdom of Greece|state}}
|Allies
|-
|[[Attack on Nibeiwa|Nibeiwa]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
| colspan="2" |1940-12-09
|{{flag|United Kingdom}}
|Allies
|-
|[[Battle of Sidi Barrani|Sidi Barrani]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-12-10
|1940-12-11
|{{flag|United Kingdom}}<br />{{flag|Australia}}<br />{{#invoke:flag|country|Free France}}
|Allies
|-
|[[Battle of Himara|Himara]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1940-12-13
|1940-12-22
|{{#invoke:flag|country|Kingdom of Greece|state}}
|Allies
|-
|[[Siege of Giarabub|Giarabub]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1940-12-25
|1941-03-21
|{{flag|United Kingdom}}<br />{{flag|Australia}}
|Allies
|-
|[[Battle of Bardia|Bardia]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-01-03
|1941-01-05
|{{flag|Australia}}<br />{{flag|United Kingdom}}<br />{{#invoke:flag|country|Free France}}
|Allies
|-
|[[Capture of Klisura Pass|Klisura Pass]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-01-06
|1941-01-11
|{{#invoke:flag|country|Kingdom of Greece|state}}
|Allies
|-
|[[Operation Excess]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-01-10
|1941-01-11
|{{flag|United Kingdom}}<br />{{flag|Australia}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Operation Berlin (Atlantic)]]
| colspan="2" |[[Battle of the Atlantic]]
|1941-01-22
|1941-03-22
| rowspan="3" |{{flag|United Kingdom}}
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Action at Mechili|Mechili]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
| colspan="2" |1941-01-24
| rowspan="6" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Agordat (1941)|Agordat]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-01-26
|1941-01-31
|Allies
|-
|[[Battle of Trebeshina|Trebeshina]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-01-29
|1941-02-17
|{{#invoke:flag|country|Kingdom of Greece|state}}
|Allies
|-
|[[Capture of Kufra|Kufra]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-01-31
|1941-03-01
|{{#invoke:flag|country|Free France}}<br />{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Battle of Keren|Keren]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-02-03
|1941-03-27
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Free France}}
|Allies
|-
|[[Battle of Beda Fomm|Beda Fomm]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-02-06
|1941-02-07
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Operation Sonnenblume]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-02-06
|1941-05-25
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
| colspan="2" |[[Action of 27 February 1941]]
|[[Indian Ocean in World War II|Indian Ocean]]
| colspan="2" |1941-02-27
|{{#invoke:flag|country|Dominion of New Zealand}}
| rowspan="2" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Hill 731|Hill 731]]
|[[Greco–Italian War]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-03-09
|1941-03-24
|{{#invoke:flag|country|Kingdom of Greece|state}}
|Allies
|-
|[[Battle of Shanggao|Shanggao]]
| colspan="2" |[[Second Sino-Japanese War]]
|1941-03-14
|1941-04-09
|{{#invoke:flag|country|Republic of China (1912-49)}}
|{{#invoke:flag|country|Empire of Japan}}
|Chinese
|-
|[[Siege of Saïo|Saïo]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-03-25
|1941-07-06
|{{flagicon|Belgium}} [[Belgian government in exile|Belgium]]<br />{{flag|United Kingdom}}<br />{{flag|Ethiopian Empire}}<br />{{flagcountry|Union of South Africa}}
| rowspan="3" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Raid on Souda Bay|Souda Bay]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-03-26
|{{#invoke:flag|country|United Kingdom}}<br />{{flag|Norway}}
|Axis
|-
|[[Battle of Cape Matapan|Cape Matapan]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-03-27
|1941-03-29
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Action of 4 April 1941|4 April 1941]]
| colspan="2" |[[Battle of the Atlantic]]
| colspan="2" |1941-04-04
|{{#invoke:flag|country|United Kingdom}}
| rowspan="3" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Operation Retribution (1941)]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-04-06
|1941-04-08
|{{#invoke:flag|country|Kingdom of Yugoslavia}}
|Axis
|-
|[[Battle of the Metaxas Line|Metaxas Line]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-04-06
|1941-04-09
|{{#invoke:flag|country|Kingdom of Greece|state}}
|Axis
|-
|[[Invasion of Yugoslavia]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-04-06
|1941-04-18
|{{#invoke:flag|country|Kingdom of Yugoslavia}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Hungary (1920–46)}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Siege of Tobruk|Tobruk]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-04-10
|1941-11-27
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Dominion of New Zealand}}<br />{{flagicon|Poland}} [[Polish Armed Forces in the West|Poland]]<br />{{Flagicon|Czechoslovakia}} [[Czechoslovak government-in-exile|Czechoslovakia]]
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Vevi (1941)|Vevi]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-04-11
|1941-04-12
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Kingdom of Greece|state}}<br />{{#invoke:flag|country|Dominion of New Zealand}}<br />{{#invoke:flag|country|United Kingdom}}
| rowspan="4" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Ptolemaida|Ptolemaida]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-04-13
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|Axis
|-
|[[Battle of Kleisoura Pass|Kleisoura Pass]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-04-13
|1941-04-14
| rowspan="2" |{{#invoke:flag|country|Kingdom of Greece|state}}
|Axis
|-
|[[Battle of Lake Kastoria|Lake Kastoria]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-04-15
|Axis
|-
|[[Battle of the Tarigo Convoy|Tarigo Convoy]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-04-16
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Tempe Gorge|Tempe Gorge]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-04-18
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Raid on Bardia|Bardia]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-04-19
|1941-04-20
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Athens (1941)|Athens]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-04-20
|{{#invoke:flag|country|United Kingdom}}
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Thermopylae (1941)|Thermopylae]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-04-24
|1941-04-25
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|Axis
|-
| colspan="2" |[[Anglo-Iraqi War]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-05-02
|1941-05-31
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}<br />{{#invoke:flag|country|Kingdom of Greece|state}}
|{{#invoke:flag|country|Kingdom of Iraq}}<br />{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Vichy France}}
|Allies
|-
|[[Battle of Amba Alagi (1941)|Amba Alagi]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-05-04
|1941-05-19
|{{flag|United Kingdom}}<br />{{flagcountry|Union of South Africa}}<br />{{flag|Ethiopian Empire}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Convoy OB 318]]
| colspan="2" |[[Battle of the Atlantic]]
|1941-05-07
|1941-05-10
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
| colspan="2" |[[Action of 8 May 1941]]
|[[Indian Ocean in World War II|Indian Ocean]]
| colspan="2" |1941-05-08
|Allies
|-
|[[Operation Brevity]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-05-15
|1941-05-16
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Inconclusive
|-
|[[Last battle of Bismarck]]
| colspan="2" |[[Battle of the Atlantic]]
|1941-05-18
|1941-05-27
|{{flag|United Kingdom}}<br />{{flagicon|Poland}} [[Polish Armed Forces in the West|Poland]]
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Rethymno|Rethymno]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-05-20
|1941-05-29
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Kingdom of Greece|state}}
|Axis
|-
|[[Battle of Crete|Crete]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-05-20
|1941-06-01
|{{#invoke:flag|country|Dominion of New Zealand}}<br />{{#invoke:flag|country|Kingdom of Greece|state}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Battle of the Denmark Strait|Denmark Strait]]
| colspan="2" |[[Battle of the Atlantic]]
| colspan="2" |1941-05-24
| rowspan="2" |{{flag|United Kingdom}}
| rowspan="3" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Operation Skorpion]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-05-26
|1941-05-27
|Axis
|-
|[[Battle of 42nd Street|42nd Street]]
|[[Balkans campaign (World War II)|Balkans campaign]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-05-27
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|Allies
|-
|[[Battle of the Litani River|Litani River]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
| colspan="2" |1941-06-09
|{{flag|United Kingdom}}<br />{{flag|Australia}}
| rowspan="3" |{{#invoke:flag|country|Vichy France}}
|Allies
|-
|[[Battle of Jezzine (1941)|Jezzine]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-06-13
|1941-06-14
| rowspan="2" |{{flag|Australia}}
|Allies
|-
|[[Battle of Sidon (1941)|Sidon]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-06-13
|1941-06-15
|Allies
|-
|[[Operation Battleaxe]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-06-15
|1941-06-17
|{{#invoke:flag|country|United Kingdom}}<br />{{flagicon|Poland}} [[Polish Armed Forces in the West|Poland]]<br />{{Flagicon|Czechoslovakia}} [[Czechoslovak government-in-exile|Czechoslovakia]]
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Battle of Kissoué|Kissoué]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-06-15
|1941-06-17
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Free France}}
| rowspan="4" |{{#invoke:flag|country|Vichy France}}
|Allies
|-
|[[Battle of Damascus (1941)|Damascus]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-06-18
|1941-06-21
|{{flag|United Kingdom}}<br />{{flag|Australia}}<br />{{#invoke:flag|country|Free France}}
|Allies
|-
|[[Battle of Merdjayoun|Merdjayoun]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-06-19
|1941-06-24
|{{flag|United Kingdom}}<br />{{flag|Australia}}
|Allies
|-
|[[Battle of Palmyra (1941)|Palmyra]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-06-21
|1941-07-02
|{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Operation Rentier]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1941-06-22
| rowspan="13" |{{#invoke:flag|country|Soviet Union|1936}}
| rowspan="5" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Defense of Brest Fortress|Brest Fortress]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-22
|1941-06-29
|Axis
|-
|[[Battle of Białystok–Minsk|Białystok–Minsk]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-22
|1941-07-09
|Axis
|-
|[[Gulf of Riga campaign|Gulf of Riga]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-22
|1941-08
|Axis
|-
|[[Soviet Baltic Sea submarine campaign in 1941|Soviet submarine campaign (1941)]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-22
|1941-11
|Inconclusive
|-
|[[Battle of Hanko (1941)|Hanko]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-22
|1941-12-02
|{{#invoke:flag|country|Finland}}
|Axis
|-
|[[German-Soviet air war 22 June 1941]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1941-06-22
| rowspan="3" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Raseiniai|Raseiniai]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-23
|1941-06-27
|Axis
|-
|[[Battle of Brody (1941)|Brody]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-23
|1941-06-30
|Axis
|-
|[[Operation Platinum Fox]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-06-29
|1941-09-21
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}
|Allies
|-
|[[Finnish invasion of Ladoga Karelia]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07
|1941-08
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Operation Arctic Fox]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-01
|1941-11-17
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}
|Stalemate
|-
|[[Operation München]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-02
|1941-07-26
|{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Deir ez-Zor (1941)|Deir ez-Zor]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
| colspan="2" |1941-07-03
|{{#invoke:flag|country|United Kingdom}}
| rowspan="2" |{{#invoke:flag|country|Vichy France}}
|Allies
|-
|[[Battle of Damour|Damour]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-07-05
|1941-07-09
|{{flag|Australia}}
|Allies
|-
|[[Battle of Smolensk (1941)|Smolensk (1941)]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-10
|1941-09-10
| rowspan="3" |{{#invoke:flag|country|Soviet Union|1936}}
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Kiev (1941)|Kiev (1941)]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-07
|1941-09-26
|Axis
|-
|[[Finnish invasion of East Karelia (1941)|Finnish invasion of East Karelia]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-10
|1941-12-06
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Beirut (1941)|Beirut]]
|[[Syria–Lebanon campaign]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
| colspan="2" |1941-07-12
|{{flag|United Kingdom}}<br />{{flag|Australia}}<br />{{#invoke:flag|country|Free France}}
|{{#invoke:flag|country|Vichy France}}
|Allies
|-
|[[Operation Substance]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-07-13
|1941-07-28
|{{flag|United Kingdom}}<br />{{flag|Australia}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Uman|Uman]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-15
|1941-08-08
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]<br />{{#invoke:flag|country|Kingdom of Hungary (1920–46)}}<br />{{flagdeco|Slovak Republic (1939–1945)}} [[Slovak Republic (1939–1945)|Slovakia]]
|Axis
|-
|[[Twin Pimples raid|Twin Pimples]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-07-17
|1941-07-18
|{{flag|United Kingdom}}<br />{{flag|Australia}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Bengtskär|Bengtskär]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1941-07-26
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Operation EF (1941)|Operation EF]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1941-07-30
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Finnish invasion of the Karelian Isthmus]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-07-31
|1941-09-05
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Battle of Culqualber|Culqualber]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-08-06
|1941-11-21
|{{flag|United Kingdom}}<br />{{flagcountry|Union of South Africa}}<br />{{flag|Ethiopian Empire}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Siege of Odessa|Odessa (1941)]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-08-08
|1941-10-16
|{{#invoke:flag|country|Soviet Union|1936}}
|{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]<br />{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
| colspan="2" |[[Anglo-Soviet invasion of Iran]]
|[[Mediterranean and Middle East theatre of World War II|Middle Eastern Front]]
|1941-08-25
|1941-08-31
|{{#invoke:flag|country|Soviet Union|1936}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{flag|Australia}}
|{{#invoke:flag|country|Pahlavi Iran|1933}}
|Allies
|-
|[[Soviet evacuation of Tallinn]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-08-27
|1941-08-31
| rowspan="2" |{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Porlampi|Porlampi]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-08-30
|1941-09-01
|{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Battle of Loznica (1941)|Loznica]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-08-31
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]
|{{#invoke:flag|country|Nazi Germany}}
|Yugoslavs
|-
|[[Battle of Changsha (1941)|Changsha (1941)]]
| colspan="2" |[[Second Sino-Japanese War]]
|1941-09-06
|1941-10-08
|{{#invoke:flag|country|Republic of China (1912-49)}}
|{{#invoke:flag|country|Empire of Japan}}
|Chinese
|-
|[[Siege of Leningrad|Leningrad]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-09-08
|1944-01-27
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Operation Beowulf]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-09-09
|1941-10-21
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Attack on Šabac|Šabac]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-09-21
|1941-09-26
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Independent State of Croatia}}
|Axis
|-
|[[Attack on Kruševac|Kruševac]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-09-23
|1941-09-27
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of the Sea of Azov|Sea of Azov]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-09-26
|1941-10-11
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]
|Axis
|-
|[[Operation Halberd]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-09-27
|{{#invoke:flag|country|United Kingdom}}<br />{{flagdeco|Netherlands}} [[Dutch government-in-exile|Netherlands]] <br />{{flagdeco|Poland|1928}} [[Polish Armed Forces in the West|Poland]]
| rowspan="2" |{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Petrikowka|Petrikowka]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-09-27
|1941-09-30
|{{#invoke:flag|country|Soviet Union|1936}}
|Axis
|-
|[[Operation Uzice]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-09-27
|1941-11-29
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Independent State of Croatia}}
|Axis
|-
|[[Battle of Bryansk (1941)|Bryansk]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-09-30
|1941-10-21
| rowspan="2" |{{#invoke:flag|country|Soviet Union|1936}}
| rowspan="4" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Moscow|Moscow]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-09-30
|1942-01-07
|Allies
|-
|[[Siege of Kraljevo|Kraljevo]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-10-09
|1941-10-31
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|Axis
|-
|[[Battle at Borodino Field|Borodino Field]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-10-13
|1942-01-18
|{{#invoke:flag|country|Soviet Union|1936}}
|Allies
|-
|[[Siege of Rogatica (1941)|Rogatica (1941)]]
|[[World War II in Yugoslavia|Yugoslavia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-10-13
|1941-10-24
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{#invoke:flag|country|Independent State of Croatia}}
|Yugoslavs
|-
|[[Tikhvin offensive|Tikhvin]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-10-16
|1941-12-31
| rowspan="4" |{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Crimean campaign]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-10-18
|1944-07-04
|{{#invoke:flag|country|Nazi Germany}}<br />{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[First Battle of Kharkov|Kharkov]] (first)
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-10-20
|1941-10-24
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Siege of Sevastopol (1941–1942)|Sevastopol]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-10-30
|1942-07-04
|{{#invoke:flag|country|Nazi Germany}}<br />{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]<br />{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Battle of Novi Pazar|Novi Pazar]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-11
|1941-12
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{flagdeco|Albania|1939}} [[Albania under Italy|Albania]]<br />[[Sandžak Muslim militia|Sandžaks]]
|Axis
|-
|[[Capture of Olovo (1941)|Olovo]]
|[[World War II in Yugoslavia|Yugoslavia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-11-01
|1941-12-17
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]<br />{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{#invoke:flag|country|Independent State of Croatia}}
|Yugoslavs
|-
|[[Battle of Trešnjica|Trešnjica]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-11-02
|{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]
|Partisans
|-
|[[Battle of the Duisburg Convoy|Duisburg Convoy]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-11-08
|1941-11-09
|{{flag|United Kingdom}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Battle of Gondar|Gondar]]
|[[East African campaign (World War II)|East African campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-11-13
|1941-11-27
|{{flag|United Kingdom}}<br />{{flagcountry|Union of South Africa}}<br />{{flag|Ethiopian Empire}}
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Operation Crusader]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-11-18
|1941-12-30
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Dominion of New Zealand}}<br />{{#invoke:flag|country|Union of South Africa}}<br />{{#invoke:flag|country|Australia}}<br />{{flagicon|Poland}} [[Polish Armed Forces in the West|Poland]]<br />{{Flagicon|Czechoslovakia}} [[Czechoslovak government-in-exile|Czechoslovakia]]
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Action at Bir el Gubi (November 1941)|Bir el Gubi]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
| colspan="2" |1941-11-19
|{{#invoke:flag|country|United Kingdom}}
| rowspan="3" |{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Battle of Point 175|Point 175]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-11-29
|1941-12-01
|{{#invoke:flag|country|Dominion of New Zealand}}
|Axis
|-
|[[Battle of Pljevlja|Pljevlja]]
|[[Uprising in Montenegro (1941)|Uprising in Montenegro]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-12-01
|1941-12-02
|{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|Axis
|-
|[[Action at Bir el Gubi (December 1941)|Bir el Gubi]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1941-12-04
|1941-12-07
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Operation Mihailovic]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1941-12-04
|1941-12-09
|{{flagicon image|Chetniks Flag.svg}} [[Chetniks]]
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
| colspan="2" |[[Japanese invasion of Thailand]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-07
|{{#invoke:flag|country|Thailand}}
| rowspan="17" |{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Battle of Kota Bharu|Kota Bharu]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-08 (local)
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|Axis
|-
|[[Attack on Pearl Harbor|Pearl Harbor]]
|Central Pacific
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-07
| rowspan="4" |{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Japanese invasion of Batan Island|Batan Island]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-08
|Axis
|-
|[[Attack on Clark Field|Clark Field]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-08
|Axis
|-
| colspan="2" |[[First Bombardment of Midway|Midway bombardment]] (first)
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-07 (local)
|Axis
|-
|[[Operation Krohcol]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1941-12-08
|1941-12-13
|{{#invoke:flag|country|United Kingdom}}
|Axis
|-
| colspan="2" |[[Battle of Hong Kong|Hong Kong]]
|[[Pacific War|Pacific Front]]
|1941-12-08
|1941-12-25
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Canada|1921}}<br />{{#invoke:flag|country|Republic of China (1912–1949)}}<br />{{#invoke:flag|country|Free France}}
|Axis
|-
| colspan="2" |[[Japanese invasion of Thailand]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-08
|{{#invoke:flag|country|Thailand}}
|Axis
|-
|[[Bombing of Singapore (1941)|Singapore (1941)]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-08
|{{#invoke:flag|country|United Kingdom}}
|Inconclusive
|-
| colspan="2" |[[Battle of Guam (1941)|Guam (1941)]]
|[[Pacific War|Pacific Front]]
|1941-12-08
|1941-12-10
| rowspan="2" |{{#invoke:flag|country|United States|1912
}}
|Axis
|-
| colspan="2" |[[Battle of Wake Island|Wake Island]]
|[[Pacific War|Pacific Front]]
|1941-12-08
|1941-12-23
|Axis
|-
|[[Sinking of Prince of Wales and Repulse|Sinking of ''Prince of Wales'' and ''Repulse'']]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-10
|{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Japanese invasion of Vigan|Vigan]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-10
| rowspan="2" |{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Japanese invasion of Aparri|Aparri]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-10
|Axis
|-
|[[Battle of Jitra|Jitra]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1941-12-10
|1941-12-13
|{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Japanese invasion of Legazpi|Legazpi]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
| colspan="2" |1941-12-12
|{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Battle of Cape Bon (1941)|Cape Bon]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-12-13
|{{#invoke:flag|country|United Kingdom}}<br />{{flagdeco|Netherlands}} [[Dutch government-in-exile|Netherlands]]
|{{#invoke:flag|country|Kingdom of Italy}}
|Allies
|-
|[[Japanese invasion of Burma]]
|[[Burma campaign]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1941-12-14
|1942-05-28
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Republic of China (1912–49)}}<br />{{#invoke:flag|country|United States|1912}}
|{{#invoke:flag|country|Empire of Japan}}<br />{{#invoke:flag|country|Thailand}}
|Axis
|-
|[[Battle of Gurun|Gurun]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1941-12-14
|1941-12-16
|{{#invoke:flag|country|United Kingdom}}
|{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Battle of the Kerch Peninsula|Kerch Peninsula]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1941-12-16
|1942-05-19
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{flagdeco|Kingdom of Romania|1940}} [[Kingdom of Romania|Romania]]
|Axis
|-
|[[First Battle of Sirte|Sirte]] (first)
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-12-17
|{{flag|United Kingdom}}<br />{{flag|Australia}}<br />{{flagdeco|Netherlands}} [[Dutch government-in-exile|Netherlands]]
| rowspan="2" |{{#invoke:flag|country|Kingdom of Italy}}
|Inconclusive
|-
|[[Raid on Alexandria (1941)|Alexandria]]
|[[Battle of the Mediterranean]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-12-19
|{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Japanese invasion of Davao|Davao]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
|1941-12-19
|1941-12-25
| rowspan="3" |{{#invoke:flag|country|United States|1912
}}
| rowspan="3" |{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Japanese invasion of Lingayen Gulf|Lingayen Gulf]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
|1941-12-21
|1941-12-23
|Axis
|-
|[[Japanese invasion of Lamon Bay|Lamon Bay]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
|1941-12-21
|1941-12-23
|Axis
|-
|[[Battle of Sjenica (1941)|Sjenica]]
|[[Uprising in Serbia (1941)|Uprising in Serbia]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1941-12-22
|{{flagicon|Democratic Federal Yugoslavia}}  [[Yugoslav Partisans]]
|[[Sandžak Muslim militia|Sandžaks]]<br />{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Changsha (1941–1942)|Changsha]] (third)
|[[Second Sino-Japanese War]]
|[[Pacific War|Pacific Front]]
|1941-12-24
|1942-01-15
|{{#invoke:flag|country|Republic of China (1912-49)}}
| rowspan="4" |{{#invoke:flag|country|Empire of Japan}}
|Allies
|-
|[[Battle of Kampar|Kampar]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1941-12-30
|1942-01-02
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}
|Stalemate
|-
|[[Battle of Slim River|Slim River]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1942-01-05
|1942-01-07
|Axis
|-
|[[Battle of Bataan|Bataan]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
|1942-01-07
|1942-04-09
|{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Battle of Dražgoše|Dražgoše]]
|[[World War II in the Slovene Lands|Slovene Lands]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
|1942-01-09
|1942-01-11
|[[File:Flag_of_the_Slovene_Partisans.svg|border|22x22px]] [[Slovene Partisans]]
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Kuala Lumpur|Kuala Lumpur]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-01-11
|{{#invoke:flag|country|United Kingdom}}
| rowspan="16" |{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Battle of Gemas|Gemas]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-01-14
|{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Muar|Muar]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1942-01-14
|1942-01-22
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}<br/>{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Battle off Endau|Endau]]
|[[Malayan campaign]]
|[[Pacific War|Pacific Front]]
|1942-01-26
|1942-01-27
|Axis
|-
|[[Battle of Makassar Strait|Makassar Strait]]
|[[Dutch East Indies campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-02-04
|{{flagicon|Netherlands}} [[Dutch government-in-exile|Netherlands]]<br />{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Battle of Sarimbun Beach|Sarimbun Beach]]
|[[Fall of Singapore|Battle of Singapore]]
|[[Pacific War|Pacific Front]]
|1942-02-08
|1942-02-09
| rowspan="2" |{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Battle of Kranji|Kranji]]
|[[Fall of Singapore|Battle of Singapore]]
|[[Pacific War|Pacific Front]]
|1942-02-09
|1942-02-10
|Axis
|-
|[[Battle of Bukit Timah|Bukit Timah]]
|[[Fall of Singapore|Battle of Singapore]]
|[[Pacific War|Pacific Front]]
|1942-02-10
|1942-02-12
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Battle of Pasir Panjang|Pasir Panjang]]
|[[Fall of Singapore|Battle of Singapore]]
|[[Pacific War|Pacific Front]]
|1942-02-13
|1942-02-15
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of Bilin River|Bilin River]]
|[[Japanese invasion of Burma]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1942-02-14
|1942-02-19
|Axis
|-
|[[Battle of Badung Strait|Badung Strait]]
|[[Dutch East Indies campaign]]
|[[Pacific War|Pacific Front]]
|1942-02-19
|1942-02-20
|{{flagicon|Netherlands}} [[Dutch government-in-exile|Netherlands]]<br />{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of Sittang Bridge|Sittang Bridge]]
|[[Japanese invasion of Burma]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1942-02-22
|1942-02-23
|{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Battle of the Java Sea|Java Sea]]
|[[Dutch East Indies campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-02-27
| rowspan="2" |{{flagicon|Netherlands}} [[Dutch government-in-exile|Netherlands]]<br />{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Battle of Java (1942)|Java (1942)]]
|[[Dutch East Indies campaign]]
|[[Pacific War|Pacific Front]]
|1942-02-28
|1942-03-12
|Axis
|-
|[[Battle of Pegu|Pegu]]
|[[Japanese invasion of Burma]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1942-03-06
|1942-03-07
| rowspan="2" |{{#invoke:flag|country|United Kingdom}}
|Axis
|-
|[[Taukkyan Roadblock]]
|[[Japanese invasion of Burma]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1942-03-07
|1942-03-08
|Allies
|-
|[[Battle of the Yunnan–Burma Road|Yunnan–Burma Road]]
|[[Japanese invasion of Burma]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1942-03-18
|1942-07-12
|{{#invoke:flag|country|Republic of China (1912–49)}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|United States|1912}}
|{{#invoke:flag|country|Empire of Japan}}<br />{{#invoke:flag|country|Thailand}}
|Axis
|-
|[[Battle of Suursaari|Suursaari]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1942-03-26
|1942-04-02
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Battle of Prome (1942)|Prome (1942)]]
|[[Japanese invasion of Burma]]
|[[South-East Asian theatre of World War II|South-East Asian Front]]
|1942-03-30
|1942-04-02
|{{#invoke:flag|country|United Kingdom}}
| rowspan="3" |{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Battle of Christmas Island|Christmas Island]]
|[[Dutch East Indies campaign]]
|[[Pacific War|Pacific Front]]
|1942-03-31
|1942-04-01
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|United States|1912}}
|Axis
|-
| colspan="2" |[[Indian Ocean raid]]
|[[Indian Ocean in World War II|Indian Ocean]]
|1942-03-31
|1942-04-10
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}<br />{{flagicon|Netherlands}} [[Dutch government-in-exile|Netherlands]]<br />{{#invoke:flag|country|United States|1912}}<br />{{#invoke:flag|country|Canada|1921}}
|Axis
|-
|[[Battle of Nanos|Nanos]]
|[[World War II in the Slovene Lands|Slovene Lands]]
|[[Mediterranean and Middle East theatre of World War II|Mediterranean Front]]
| colspan="2" |1942-04-18
|[[File:Flag_of_the_Slovene_Partisans.svg|border|22x22px]] [[Slovene Partisans]]
|{{#invoke:flag|country|Kingdom of Italy}}
|Axis
|-
|[[Doolittle Raid]]
|Central Pacific
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-04-18
|{{#invoke:flag|country|United States|1912}}<br />{{#invoke:flag|country|Republic of China (1912-49)}}
| rowspan="3" |{{#invoke:flag|country|Empire of Japan}}
|Allies
|-
|[[Battle of the Coral Sea|Coral Sea]]
|[[New Guinea campaign]]
|[[Pacific War|Pacific Front]]
|1942-05-04
|1942-05-08
|{{#invoke:flag|country|United States|1912}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Corregidor|Corregidor]]
|[[Philippines campaign (1941–1942)|Philippines campaign]] (Axis)
|[[Pacific War|Pacific Front]]
|1942-05-05
|1942-05-06
|{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Defense of the Adzhimushkay quarry|Adzhimushkay quarry]]
|[[Operation Barbarossa]]
|[[Eastern Front (World War II)|Eastern Front]]
|1942-05-16
|1942-10-30
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Battle of Gazala|Gazala]]
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1942-05-26
|1942-06-21
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Union of South Africa}}<br />{{#invoke:flag|country|Free France}}<br />{{#invoke:flag|country|Canada|1921}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Attack on Sydney Harbour|Sydney Harbour]]
|[[Axis naval activity in Australian waters]]
|[[Pacific War|Pacific Front]]
|1942-05-31
|1942-06-08
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{flagicon|Netherlands}} [[Dutch government-in-exile|Netherlands]]
| rowspan="3" |{{#invoke:flag|country|Empire of Japan}}
|Inconclusive
|-
|[[Battle of Dutch Harbor|Dutch Harbor]]
|[[Aleutian Islands campaign]]
|[[American theater (World War II)|American Front]]
|1942-06-03
|1942-06-04
| rowspan="2" |{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Battle of Midway|Midway]]
|Central Pacific
|[[Pacific War|Pacific Front]]
|1942-06-04
|1942-06-07
|Allies
|-
|[[Soviet Baltic Sea submarine campaign in 1942|Soviet submarine campaign (1942)]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1942-06
|1942-10
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Sweden}}
|Allies
|-
|[[First Battle of El Alamein|El Alamein]] (first)
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1942-07-01
|1942-07-27
|{{#invoke:flag|country|United Kingdom}}<br />{{flagcountry|Dominion of New Zealand}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Union of South Africa}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Inconclusive
|-
|[[Battle of Someri|Someri]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1942-07-08
|1942-07-10
| rowspan="2" |{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
| colspan="2" |[[Battle of Stalingrad|Stalingrad]]
|[[Eastern Front (World War II)|Eastern Front]]
|1942-07-17
|1943-02-02
|{{#invoke:flag|country|Nazi Germany}}<br/>{{Flagcountry|Kingdom of Romania}}<br/>{{Flagcountry|Fascist Italy}}<br/>{{Flagcountry|Kingdom of Hungary (1920–1946)}}
|Allies
|-
|[[Invasion of Buna–Gona]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-07-21
|1942-07-27
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|United States|1912}}
| rowspan="5" |{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Battle of Kokoda|Kokoda]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-07-28
|1942-07-29
|{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Battle of Tulagi and Gavutu–Tanambogo|Tulagi and Gavutu–Tanambogo]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-07
|1942-08-09
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Battle of Kokoda|Kokoda]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-08
|1942-08-10
|{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Savo Island|Savo Island]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-08
|1942-08-09
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Dieppe Raid]]
|[[British Commando operations during the Second World War|British Commando operations]]
|[[Western Front (World War II)|Western Front]]
| colspan="2" |1942-08-19
|{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Canada|1921}}<br />{{#invoke:flag|country|Free France}}<br />{{#invoke:flag|country|United States|1912
}}<br />{{flagdeco|Poland|1928}} [[Polish Armed Forces in the West|Poland]]<br />{{flagdeco|Czechoslovakia}} [[Czechoslovak government in exile|Czechoslovakia]]
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Sinyavino offensive (1942)|Sinyavino]]
|[[Operation Nordlicht (1942)]]
|[[Eastern Front (World War II)|Eastern Front]]
|1942-08-19
|1942-10-10
|{{#invoke:flag|country|Soviet Union|1936}}
|Stalemate
|-
|[[Battle of the Tenaru|Tenaru]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-08-21
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}
| rowspan="12" |{{#invoke:flag|country|Empire of Japan}}
|Allies
|-
|[[Battle of the Eastern Solomons|Eastern Solomons]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-24
|1942-08-25
|{{#invoke:flag|country|United States|1912
}}
|Allies
|-
|[[Battle of Milne Bay|Milne Bay]]
|[[New Guinea campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-25
|1942-09-07
|{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|United States|1912
}}
|Allies
|-
|[[Battle of Isurava|Isurava]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-26
|1942-08-31
| rowspan="3" |{{#invoke:flag|country|Australia}}
|Axis
|-
|[[First Battle of Eora Creek–Templeton's Crossing|Eora Creek–Templeton's Crossing]] (first)
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-08-31
|1942-09-05
|Axis
|-
|[[Battle of Mission Ridge–Brigade Hill|Mission Ridge–Brigade Hill]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-09-06
|1942-09-09
|Inconclusive
|-
|[[Battle of Edson's Ridge|Edson's Ridge]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-09-12
|1942-09-14
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}
|Allies
|-
|[[Battle of Ioribaiwa|Ioribaiwa]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-09-14
|1942-09-16
|{{#invoke:flag|country|Australia}}
|Axis
|-
|[[Actions along the Matanikau|Matanikau]] (second)
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-09-23
|1942-09-27
| rowspan="3" |{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Actions along the Matanikau|Matanikau]] (third)
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-10-06
|1942-10-09
|Allies
|-
|[[Battle of Cape Esperance|Cape Esperance]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-10-11
|1942-10-12
|Allies
|-
|[[Second Battle of Eora Creek–Templeton's Crossing|Eora Creek–Templeton's Crossing]] (second)
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-10-11
|1942-10-28
|{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Sukho Island|Sukho Island]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1942-10-22
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle for Henderson Field|Henderson Field]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-10-23
|1942-10-26
|{{#invoke:flag|country|United States|1912
}}
|{{#invoke:flag|country|Empire of Japan}}
|Allies
|-
|[[Second Battle of El Alamein|El Alamein]] (second)
|[[Western Desert campaign]]
|[[Mediterranean and Middle East theatre of World War II|African Front]]
|1942-10-23
|1942-11-11
|{{#invoke:flag|country|United Kingdom}}<br />{{flagcountry|Dominion of New Zealand}}<br />{{#invoke:flag|country|Australia}}<br />{{#invoke:flag|country|Union of South Africa}}<br />{{#invoke:flag|country|Free France}}<br />{{flagdeco|Kingdom of Greece|state}} [[Greek government-in-exile|Greece]]<br />{{#invoke:flag|country|United States|1912
}}
|{{#invoke:flag|country|Kingdom of Italy}}<br />{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of the Santa Cruz Islands|Santa Cruz Islands]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-10-25
|1942-10-27
| rowspan="2" |{{#invoke:flag|country|United States|1912
}}
| rowspan="11" |{{#invoke:flag|country|Empire of Japan}}
|Axis
|-
|[[Matanikau Offensive|Matanikau]] (fourth)
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-11-01
|1942-11-04
|Allies
|-
|[[Koli Point action|Koli Point]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-11-03
|1942-11-12
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Battle of Oivi–Gorari|Oivi–Gorari]]
|[[Kokoda Track campaign]]
|[[Pacific War|Pacific Front]]
|1942-11-04
|1942-11-11
|{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Carlson's patrol]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-11-06
|1942-12-04
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Australia}}
|Allies
|-
|[[Naval Battle of Guadalcanal|Guadalcanal]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-11-12
|1942-11-15
| rowspan="3" |{{#invoke:flag|country|United States|1912
}}
|Allies
|-
|[[Battle of Buna–Gona|Buna–Gona]]
|[[New Guinea campaign]]
|[[Pacific War|Pacific Front]]
|1942-11-16
|1943-01-22
|Allies
|-
|[[Battle of Tassafaronga|Tassafaronga]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
| colspan="2" |1942-11-30
|Axis
|-
|[[Battle of Mount Austen, the Galloping Horse, and the Sea Horse|Mount Austen, the Galloping Horse, and the Sea Horse]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1942-12-15
|1943-01-23
|{{#invoke:flag|country|United States|1912
}}<br />{{#invoke:flag|country|United Kingdom}}<br />{{#invoke:flag|country|Dominion of New Zealand}}
|Allies
|-
|[[Battle of Rennell Island|Rennell Island]]
|[[Guadalcanal campaign]]
|[[Pacific War|Pacific Front]]
|1943-01-29
|1943-01-30
| rowspan="2" |{{#invoke:flag|country|United States|1912
}}
|Axis
|-
|[[Battle of the Komandorski Islands|Komandorski Islands]]
|[[Aleutian Islands campaign]]
|[[American theater (World War II)|American Front]]
| colspan="2" |1943-03-27
|Allies
|-
|[[Soviet Baltic Sea submarine campaign in 1943|Soviet submarine campaign (1943)]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1943-04
|1943-08
|{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Battle of Attu|Attu]]
|[[Aleutian Islands campaign]]
|[[American theater (World War II)|American Front]]
|1943-05-11
|1943-05-30
|{{#invoke:flag|country|United States|1912}}<br />{{#invoke:flag|country|Canada|1921}}
|{{#invoke:flag|country|Empire of Japan}}
|Allies
|-
|[[Vyborg–Petrozavodsk offensive]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-06-10
|1944-08-09
| rowspan="5" |{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Nerva Island|Nerva Island]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-06-19
|1944-06-20
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Tienhaara|Tienhaara]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
| colspan="2" |1944-06-22
|{{#invoke:flag|country|Finland}}
|Axis
|-
|[[Kaprolat|Kaprolat and Hasselmann]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-06-25
|1944-06-26
|{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Battle of Tali–Ihantala|Tali–Ihantala]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-06-25
|1944-07-09
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Axis
|-
|[[Gulf of Finland U-boat campaign]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944 (summer)
|1945 (spring)
|{{#invoke:flag|country|Soviet Union|1936}}<br />{{#invoke:flag|country|Finland}}
|{{#invoke:flag|country|Nazi Germany}}<br />{{#invoke:flag|country|Finland}}
|Allies w/ Finland
|-
|[[Battle of Vyborg Bay (1944)|Vyborg Bay]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-06-30
|1944-07-10
| rowspan="7" |{{#invoke:flag|country|Soviet Union|1936}}
|{{#invoke:flag|country|Finland}}<br />{{#invoke:flag|country|Nazi Germany}}
|Inconclusive
|-
|[[Battle of Vuosalmi|Vuosalmi]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-07-04
|1944-07-17
| rowspan="4" |{{#invoke:flag|country|Finland}}
|Inconclusive
|-
|[[Battle of Nietjärvi|Nietjärvi]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-07-15
|1944-07-17
|Axis
|-
|[[Battle of Ilomantsi (1944)|Ilomantsi (1944)]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-07-26
|1944-08-13
|Axis
|-
|[[Operation Hokki]]
|[[Continuation War]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-07-31
|1944-08-31
|Axis
|-
|[[Soviet Baltic Sea submarine campaign in 1944|Soviet submarine campaign (1944)]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1944-10
|1944-12
| rowspan="2" |{{#invoke:flag|country|Nazi Germany}}
|Allies
|-
|[[Soviet Baltic Sea campaign in 1945|Soviet naval campaign (1945)]]
|[[Baltic Sea campaigns (1939–1945)|Baltic Sea campaigns]]
|[[Eastern Front (World War II)|Eastern Front]]
|1945-01
|1945-05-09
|Allies
|}

== Battles from 1941 ==
===1943===
{| font-size:95%;" cellspacing="0"
|-
|width="190px"| • [[Battle of Osankarica]] || About 2,000 Germans massacred all 69 men and women of the Pohorje Battalion. Germans lost 19 men dead and had 31 wounded.
|-
| • [[Battle of Rennell Island]]      || Japanese bombers sink a cruiser.
|-
|-
| • [[Third Battle of Kharkov]]       || Germans retake [[Kharkov]].
|-
| • [[Battle of the Kasserine Pass]]  || Battle between US and German armored forces in [[Tunisia]].
|-
| • [[Battle of Neretva]]             || [[German Army (Wehrmacht)|German Army]] offensive in southern [[Bosnia (region)|Bosnia]].  Offensive launched to encircle and destroy [[Yugoslavia]]n [[Communist]] [[Partisans (Yugoslavia)|Partisan]] forces.  Supporting the German forces in this effort were [[Kingdom of Italy|Italian]], [[Ustaše]] and Serbian [[Monarchism|Royalist]] [[Chetnik]] units.  The partisans were badly mauled but managed to escape encirclement.
|-
| • [[Battle of the Komandorski Islands]] || Naval engagement between US and Japan in the [[Bering Sea]].
|-
| • [[Battle of the Ruhr]] || British strategic bombing of the industrial Ruhr Area, which had coke plants, steelworks and ten synthetic oil plants. Targets included the Krupp armament works (Essen), the Nordstern synthetic-oil plant (Gelsenkirchen), and the Rheinmetal–Borsig plant in Düsseldorf.
|-
| • [[Battle of the Bismarck Sea]]     || U.S. and Royal Australian Air Force planes attack and sink most of a Japanese convoy carrying troops to reinforce Lae, New Guinea.
|-
| • [[Battle of the Bering Sea]]         || [[United States]] and [[Japan]]ese navies fight an inconclusive battle.
|-
| • [[Operation Cartwheel]]           || Operation to neutralize the Japanese base at Rabaul.
|-
| • [[Battle of Attu]]         || [[United States]] troops defeat and drive the [[Japan]]ese off the Aleutian Islands of Alaska.
|-
| • [[Warsaw Ghetto Uprising]]         || 5,000 Jews and 2,000 Germans die, Jews confined.
|-
| • [[Sutjeska offensive|Battle of Sutjeska]] || Another attempt by German forces in [[Yugoslavia]], this time supported by [[Kingdom of Italy|Italian]], [[Bulgaria]]n, and [[Government of National Salvation|Serbian]] units, to encircle and destroy the [[Yugoslavia]]n [[Communist]] [[Partisans (Yugoslavia)|Partisan]] forces in southern [[Bosnia (region)|Bosnia]].  Again, the partisans were mauled but escaped.
|-
| • [[Battle of Castle Turjak]]        || Slovene partisans took the castle guarded by the Slovene village sentries.
|-
| • [[Battle of Kursk]]                || Germans attack [[Kursk]] salient at [[Oryol|Orel]] and [[Belgorod]], Russians drive them back. A very big tank battle.
|-
| • [[Allied invasion of Sicily]]      || Allies take [[Sicily]] from the Italians and German armies.
|-
| • [[Allied invasion of Italy]]       || Landings at [[Calabria]], [[Taranto]] and [[Salerno]].
|-
| • [[Dodecanese Campaign]]          
:: [[Battle of Kos (1943)|Battle of Kos]]
:: [[Battle of Leros]]
| Allied and German scramble to occupy the [[Dodecanese Islands]].
: German amphibious and airborne operation to capture Kos.
: German amphibious and airborne operation to capture Leros.
|-
| • [[Battle of Smolensk (1943)|Battle of Smolensk]] || The Soviets attack 850,000 German troops near [[Smolensk Fortified Region]], drive them back inflicting severe losses.
|-
| • [[Battle of Kiev (1943)]]          || [[Kiev]] retaken by Soviets.
|-
| • [[Raid on Schweinfurt]]            || milestone air battle between the [[Luftwaffe]] and the [[USAAF]] known as "Black Thursday"
|-
| • [[Schweinfurt-Regensburg mission]] || another big daylight air battle, first shuttle mission.
|-
| • [[Battle of Berlin (air)|Battle of Berlin]]               || Germany defend Berlin from the British.
|-
| • [[Battle of Tarawa]]               || First major American [[amphibious warfare|amphibious]] landing in the Pacific.
|-
| • [[Battle of Makin]]                || Americans capture the atoll of [[Makin Atoll]].
|-
| • [[Salamaua-Lae campaign]]           || Australian and U.S. forces capture two major Japanese bases at Lae and at Salamaua.
|-
| • [[Battle of Wau]]               || Australians defeat Japanese attempts to capture Wau, New Guinea.
|-
| • [[Bernhardt Line|Battle of the Bernhardt Line]] || U.S. 5th Army sustains 16,000 casualties fighting through the Mignano Gap to reach the [[Cassino]] defenses.
|-
| • [[Moro River Campaign]]
:: [[Battle of Ortona]]
|}

===1944===
{| font-size:95%;" cellspacing="0"
|-
| • [[Battle of Meiktila]]
|-
| • [[Battle of Monte Cassino]]          || Four battles in [[Italy]] Jan - May. Allies finally breakthrough towards [[Rome]].
|-
| • [[Battle of Monte Castello|Battle of Monte Castelo]]          || An unsuccessful attempt to break through the Northern Apennines. The battle marked the [[Brazilian Expeditionary Force]]'s entry into the land war in Europe.
|-
| • [[Battle of Anzio]]
:: [[Battle of Cisterna]]
|-
| • [[Battle of Kwajalein]]              || American forces assault the islands of Kwajalein and Roi-Namur.
|-
| • [[Battle of the Admin Box]]          || Japanese attempt a local [[counter-attack]] against an Allied offensive.
|-
| • [[Battle of Eniwetok]]               || Battle between American and Japanese on [[Eniwetok Atoll]].
|-
| • [[Battle of Imphal]] and [[Battle of Kohima]] || Attempted Japanese invasion of [[India]] fails with heavy losses.
|-
| • [[U Go offensive]]               || Allied successfully defend Manipur from the Axis
|-
| • [[Operation Ichi-Go]] || Successful Japanese campaign to capture American air bases in China capable of sending bombers to Japan.
|-
| • [[Raid on Drvar|Operation Rösselsprung]]           || German attempt to capture [[Josip Broz Tito|Tito]] using airborne troops.
|-
| • [[Operation Overlord|Battle of Normandy]]               || Allies invade northern France ([[Operation Overlord]]), hard fighting from Cherbourg to Caen, Germans surrounded and destroyed at Falaise.
|-
| • [[Battle of Saipan]]                 || The battle was fought on the island of [[Saipan]] in the [[Mariana Islands]] and resulted disastrous for Japanese forces since most died.
|-
| • [[Battle of Guam (1944)|Second Battle of Guam]]                   || American forces capture back [[Guam]].
|-
| • [[Battle of Tinian]]                 || American forces capture [[Tinian]].
|-
| • [[Operation Bagration]]              || Soviet offensive destroys German Army Group Center on the [[Eastern Front (World War II)|Eastern Front]].
|-
| • [[Battle of Philippine Sea]]         || Major carrier battle; US lose 123 planes and destroy 315 Japanese planes.
|-
| • [[Battle of Tali-Ihantala]]          || [[Finland|Finnish]] stop Soviet offensive.
|-
| • [[Warsaw Uprising]]                  || 20,000 armed Poles against 55,000 [[Wehrmacht]] and [[SS]]. 90% of city destroyed, more than 250,000 casualties.
|-
| • [[Operation Dragoon]]                || Allied invasion of Southern France.
|-
| • [[Battle of Debrecen]]               || Soviets gain ground in [[Hungary]] but German and Hungarian forces manage to withdraw relatively intact after both sides suffer similar losses.
|-
| • [[Gothic Line|Gothic Line offensive]]|| British 8th Army and U.S. 5th Army attempt unsuccessfully to break into the north Italian plains.
|-
| • [[Battle of Arnhem]]                 || The major battle of [[Operation Market Garden]]; Allies reach but fail to cross the Rhine; British First Airborne Division destroyed.
|-
| • [[Battle of Peleliu]]                || A fight to capture an airstrip on a speck of coral in the western [[Pacific]].
|-
| • [[Battle of Aachen]]                 || [[Aachen]] was the first major German city to face invasion during World War II.
|-
| • [[Battle of the Scheldt]]            || Decisive Canadian victory, solved the logistical problems of the Allies, and opened the port of [[Antwerp]] for supplies directly to the front.
|-
| • [[Battle of Crucifix Hill]]          || The 18th Infantry, [[U.S. 1st Infantry Division]] take [[Crucifix Hill]], a crucial position to help surround [[Aachen]]. Cpt. [[Bobbie E. Brown]] is awarded the [[Medal of Honor]] for his heroics.
|-
| • [[Battle of Angaur]]                 || American forces capture an island in [[Palau]].
|-
| • [[Battle of Hurtgen Forest]]         || Stubborn German defense, appalling losses to [[US army]].
|-
| • [[Battle of Leyte]]                  || American and Filipino guerrillas forces capture [[Leyte]].
|-
| • [[Battle of Leyte Gulf]]             || The largest air-sea battle in history.
|-
| • [[Operation Queen]]                  || was a joint British-American operation during World War II at the [[Western Front (World War II)|Western Front]] between [[Aachen]] and the Rur river.
|-
| • [[Battle of Mindoro]]
|-
|-
| • [[Battle of Vianden]]                || The only major open battle fought between the [[Luxembourgish Resistance]] against German forces.
|-
| • [[Battle of the Bulge]]              || German counterattack in [[Ardennes]]; General [[Anthony McAuliffe|McAuliffe]] says "NUTS" at [[Bastogne]].
|}

===1945===
{| font-size:95%;" cellspacing="0"
|-
|width="230px"| • [[Battle of Luzon]] || The battle where [[Mexico]] entered [[World War II]], contributing pilots to help the [[United States]] and the [[Commonwealth of the Philippines|Philippines]] defeat [[Imperial Japanese Army|Japan]] in the South Pacific, with a loss of 37,870 [[Allies of World War II|Allied soldiers]] and 217,000 [[Japanese people|Japanese soldiers]]; an Allied victory.
|-
| • [[Operation Elephant]] || Allied offensive against a German bridgehead at Kapelsche Veer in the [[Netherlands]].
|-
| • [[Raid at Cabanatuan]] || [[US Army Rangers]] rescue [[Bataan]] and [[Corregidor]] [[POWs]] from Japanese prison camp.
|-
| • [[Battle of Bataan (1945)|Battle of Bataan]] || U.S. and Philippine Forces retake the historic Bataan Peninsula.
|-
| • [[Battle of Küstrin]] || Soviet forces besieged and captured the strategic fortress town of Küstrin, paving the way for the final assault on Berlin.
|-
| • [[Battle of Manila (1945)|Battle of Manila]] || City totally devastated after month-long battle between the American, Filipino, and Japanese forces; 100,000 civilians killed.
|-
| • [[Battle of Corregidor (1945)|Battle of Corregidor]] || Spectacular combined U.S. and Philippine assault retakes island bastion from Japanese forces.
|-
| • [[Raid at Los Baños]] || U.S. Airborne Task Force rescues more than 2,000 Allied POWs and civilian internees held by Japanese.
|-
| • [[Battle of Iwo Jima]] || After a month, U.S. Forces take main offshore Japanese island.
|-
| • [[Battle of Meiktila and Mandalay]] || Japanese defeated in Central [[Burma]].
|-
| • [[Battle of Mindanao]] || [[U.S. Eighth Army]] together with the Philippine Commonwealth troops completes the recapture of Southern Philippines.
|-
| • [[Battle of the Visayas]] || [[U.S. Eighth Army]] together with the Philippine Commonwealth troops retakes central Philippine islands.
|-
| • [[Operation Varsity]] || 134 Allied gliders land troops in Weisel.
|-
| • [[Operation Spring Awakening]] || The last German offensive of the war, launched around Lake Balaton, in Hungary.
|-
| • [[Operation Encore]] || [[10th Mountain Division (United States)|10th Mountain Division]] and the [[Brazilian Expeditionary Force]] forced the German [[LI Mountain Corps (Wehrmacht)|LI Mountain Corps]] from their positions in the Northern Apennines, leading to the start of the [[Spring 1945 offensive in Italy]].
|-
| • [[Battle of West Henan–North Hubei]] || Indecisive battle between China and Japan. Japan controls airbases after battle.
|-
| • [[Battle of Groningen]] || Canadian forces capture Dutch city from SS troops.
|-
| • [[Battle of Montese]] || Brazilian forces capture town as part of the Spring offensive in Italy
|- 
| • [[Battle of Otterlo]] || German forces attempt to break an encirclement by attacking Canadian and British forces.
|-
| • [[Battle of Halbe]] || Part of Battle of Berlin, Germans unable to break out.
|-
| • [[Battle of Berlin]] || Soviet forces encircle and capture German capital; Hitler commits suicide.
|-
| • [[Battle of Hamburg (land)|Battle of Hamburg]] || British forces capture German city.
|-
| • [[Battle for Castle Itter]] || Troops of the 23rd Tank Battalion of the [[12th Armored Division (United States)|12th Armored Division]], [[Wehrmacht]], SS-Hauptsturmführer [[Kurt Siegfried Schrader]], and recently freed French prisoners of war defended [[Itter Castle]] against an attacking force from the [[17th SS Panzergrenadier Division Götz von Berlichingen|17th SS Panzergrenadier Division]].
|-
| • [[Prague Offensive]] || 1st, 4th, and 2nd Ukrainian Fronts of the Soviet Army crushed the last concentration of German troops (over 1,000,000 men in two army groups) in southeastern Germany and Czechoslovakia. These troops were [[Army Group Centre]] and the remnants of [[Army Group Ostmark]].
|-
| • [[Battle of Trieste]] || British army and Yugoslav Partisans capture the city.
|-
| • [[Battle of Tarakan (1945)|Battle of Tarakan]] || Allied attack as part of the Borneo campaign.
|-
| • [[Battle of Poljana]] || (14–15 May 1945) Battle between Yugoslav partisans and HOS (Croatia), German ''Wehrmacht'', Slovene Home Guard...
|-
| • [[Battle of Odžak]] || Last battle of [[World War II]] in Europe. Between Yugoslav partisans and HOS (Croatia) from 19 April to 25 May 1945.
|-
| • [[Battle of West Hunan]] || Chinese victory in final battle to expel [[Japan]].
|-
| • [[Battle of Okinawa]] || US takes Japanese Island in the Ryūkyūs; many casualties to both sides.
|-
| • [[Battle of North Borneo]] || Australian victory during final stages of World War II in the Pacific.
|-
| • [[Battle of Balikpapan (1945)|Battle of Balikpapan]] || Allied victory over [[Japan]].
|-
| • [[Battle of Manchuria]] || Soviet forces liberate [[Manchuria]].
|-
| • [[Surrender of Japan]] || Japan surrenders on [[September 2, 1945]], officially ending World War II.
|}

==African Front==
{{main|Mediterranean and Middle East theatre of World War II}}

{{columns-list|colwidth=30em|
* [[North African campaign]]: June 1940{{snd}}May 1943
** [[Western Desert campaign]]: June 1940 – February 1943
*** [[Battle of Gazala]]: May–June 1942
**** [[Battle of Bir Hakeim]]: May–June 1942
*** [[First Battle of El Alamein]]: July 1942
*** [[Battle of Alam el Halfa]]: August–September 1942
*** [[Second Battle of El Alamein]]: October–November 1942
*** [[Battle of El Agheila]]: December 1942
** [[Operation Torch]]: November 1942
*** [[Operation Terminal]]: 8 November 1942
*** [[Naval Battle of Casablanca]]
** [[Tunisia Campaign]]: November 1942 – May 1943
*** [[Battle of the Kasserine Pass]]: February 1943
*** [[Battle of Sidi Bou Zid]]: February 1943
*** [[Battle of Medenine]]: March 1943
*** [[Battle of the Mareth Line]]: March 1943
*** [[Battle of El Guettar]]: March–April 1943
*** [[Operation Flax]]: April 1943
*** [[Battle of Longstop Hill (1943)]]: April 1943
*** [[Battle of Hill 609]]: April–May 1943
*** [[Operation Vulcan]]: May 1943
*** [[Operation Retribution]]: May 1943
*** [[Operation Strike]]: May 1943
}}

==Mediterranean Front==
{{main|Mediterranean and Middle East theatre of World War II}}
{{columns-list|colwidth=30em|
* [[Battle of the Mediterranean|Battle of the Mediterranean Sea]]: June 1940–May 1945
** [[Second Battle of Sirte]]
** [[Operation Vigorous]]
** [[Operation Pedestal]]
** [[Battle of Skerki Bank]]
** [[Raid on Algiers]]
** [[Battle of the Cigno Convoy]]
** [[Battle of the Campobasso Convoy]]
** [[Battle of the Messina Convoy]]
** [[Operation Scylla]]
** [[Battle of the Ligurian Sea]]
* [[Operation Agreement]]: September 1942
* [[Operation Strangle (World War II)|Operation Strangle]]: March 1943 – June 1944
* [[Invasion of Sicily|Allied invasion of Sicily]]: July–August 1943
** [[Operation Ladbroke]]
** [[Operation Fustian]]
** [[Battle of Troina]]
* [[Allied invasion of Italy]]: September 1943
** [[Operation Slapstick]]
* [[Dodecanese Campaign]]: September–October 1943
** [[Battle of Leros]]
** [[Battle of Kos (1943)|Battle of Kos]]
** [[Battle of Rhodes (1943)|Battle of Rhodes]]
* [[Four days of Naples|Battle of Naples]]: September 1943
* [[Volturno Line]]: October–November 1943
* [[Barbara Line]]: October–November 1943
* [[Air Raid on Bari]]: December 1943
* [[Battle of Ortona]]: December 1943
* [[Bernhardt Line]]: December 1943 – January 1944
* [[Moro River Campaign]]: December 1943
* [[Battle of Monte Cassino]]: January–May 1944
** [[Operation Diadem]]
* [[Operation Shingle|Battle of Anzio]]: January–June 1944
** [[Battle of Cisterna]]
* [[Trasimene Line]]: June–July 1944
* [[Battle of Ancona]]: June–July 1944
* [[Gothic Line]]: August–December 1944
** [[Battle of Gemmano]]
** [[Battle of Rimini (1944)|Battle of Rimini]]
* [[Battle of San Marino]]: September 1944
* [[Battle of Garfagnana]]: December 1944
* [[Battle of Monte Castello]]: November 1944 – February 1945
* [[Spring 1945 offensive in Italy]]: April–May 1945
** [[Battle of Bologna]]:
** [[Battle of the Argenta Gap]]:
** [[Battle of Montese]]
** [[Battle of Collecchio]]:

}}

==Western Front==
{{main|Western Front (World War II)}}

{{columns-list|colwidth=30em|* [[Aerial incidents in Switzerland in World War II]] (1940–1945)
* [[Operation Cerberus]]: February 1942
* [[Operation Donnerkeil]]: February 1942
* [[St. Nazaire Raid]]: March 1942
* [[Dieppe Raid]]: August 1942
* [[Battle of Berlin (air)]]: November 1943 – March 1944
* [[Western Allied invasion of France]]: June 1944–March 1945
** [[Operation Overlord]]: June–August 1944
*** [[Operation Tonga]]
*** [[Normandy landings]]
*** [[Battle for Caen]]
**** [[Operation Perch]]
***** [[Battle of Villers-Bocage]]
**** [[Operation Epsom]]
**** [[Operation Windsor]]
**** [[Operation Charnwood]]
**** [[Operation Jupiter (1944)|Operation Jupiter]]
**** [[Second Battle of the Odon]]
**** [[Operation Goodwood]]
**** [[Operation Atlantic]]
**** [[Battle of Verrières Ridge]]
**** [[Operation Spring]]
*** [[Battle of Cherbourg]]
**** [[Battle of Carentan]]
***** [[Battle of Bloody Gulch]]
*** [[Battle of Saint-Lô]]
*** [[Operation Cobra]]
*** [[Operation Lüttich]]
*** [[Battle for Brest]]
*** [[Operation Totalize]]
*** [[Falaise Pocket]]
**** [[Operation Tractable]]
***** [[Hill 262|Battle of Hill 262]]
**** [[Battle of Chambois]]
*** [[Liberation of Paris]]
*** [[French Resistance]]
** [[Operation Valkyrie]]: July 1944
** [[Operation Dragoon]]: August–September 1944
*** [[Operation Romeo]]
*** [[Battle of Port Cros]]
*** [[Battle of La Ciotat]]
** [[Allied advance from Paris to the Rhine]]: August 1944 – March 1945
** [[Clearing the Channel Coast]]: September–November 1944
*** [[Operation Astonia]]
*** [[Siege of Dunkirk (1944)]]
*** [[Operation Wellhit]]
*** [[Operation Undergo]]
*** [[Battle of the Scheldt]]
** [[Lorraine Campaign]]: September–December 1944
*** [[Battle of Nancy (1944)|Battle of Nancy]]
*** [[Battle of Metz]]
*** [[Battle of Arracourt]]
* [[Operation Market Garden]]: September 1944
** [[Battle of Arnhem]]
** [[Battle of Nijmegen]]
* [[Battle of Moerbrugge]]: September 1944
* [[Battle of Aachen]]: September–October 1944
** [[Battle of Crucifix Hill]]
* [[Battle of Overloon]]: September–October 1944
* [[Battle of Hürtgen Forest]]: September–December 1944
** [[Operation Queen]]
* [[Operation Clipper]]: November 1944
* [[Battle of Vianden]]: November 1944
* [[Battle of Kesternich]]: December 1944 – February 1945
* [[Battle of the Bulge]]: December 1944 – January 1945
** [[Battle of Elsenborn Ridge]]
*** [[Losheim Gap]]
*** [[Battle of Lanzerath Ridge]]
** [[Battle of Clervaux]]
** [[Battle of St. Vith]]
** [[Siege of Bastogne]]
** [[Operation Bodenplatte]]
* [[Operation Nordwind]]: January 1945
* [[Colmar Pocket]]
* [[Operation Blackcock]]: January 1945
* [[Operation Veritable]]: February 1945
* [[Operation Grenade]]: February 1945
* [[Operation Lumberjack]]
** [[Battle of Remagen]]
* [[Western Allied invasion of Germany]]: March–May 1945
** [[Operation Undertone]]
** [[Operation Plunder]]
*** [[Operation Varsity]]
** [[Ruhr Pocket]]
** [[Battle of Kassel (1945)|Battle of Kassel]]
** [[Battle of Heilbronn (1945)|Battle of Heilbronn]]
** [[Operation Amherst]]
** [[Battle of Nuremberg (1945)|Battle of Nuremberg]]
** [[Battle of Hamburg (1945)|Battle of Hamburg]]
** [[Battle of Castle Itter]]
* [[Liberation of Arnhem]]
* [[Battle of Groningen]]
* [[Battle of Otterlo]]
}}[[Flensburg Government#Final dissolution of the Flensburg Government|Operation Blackout]]

==Atlantic Ocean==
{{columns-list|colwidth=30em|
* [[Battle of the Atlantic]]: 1939–1945
** [[Torpedo Alley (North Carolina)|Battle of Torpedo Alley]]
** [[Action of 27 March 1942]]
** [[Battle of the St. Lawrence]]
** [[Action of 6 June 1942]]
** [[Convoy PQ 17]]
** [[Naval Battle of Casablanca]]
** [[Battle of the Barents Sea]]
** [[Battle of Sept-Îles]]
** [[Battle of the North Cape]]
** [[Operation Stonewall]]
*** [[Battle of the Bay of Biscay]]
** [[Operation Teardrop]]
** [[Battle of Ushant (1944)|Battle of Ushant]]
** [[Battle of Pierres Noires]]
** [[Action of 9 February 1945]]
** [[Battle of Point Judith]]

}}

==Eastern Front==
{{main|Eastern Front (World War II)}}

{{columns-list|colwidth=30em|
* [[Winter Campaign of 1941–42|Soviet Winter counter-offensive]]: December 1941 – May 1942
** [[Battles of Rzhev]]
*** [[Operation Büffel]]
** [[Toropets-Kholm Operation]]
** [[Demyansk Pocket]]
** [[Second Battle of Kharkov]]
* [[Operation Kremlin]]
* [[Case Blue|Axis Summer offensive]]: June–November 1942
** [[Operation Braunschweig]]: July–November 1942
** [[Battle of Voronezh (1942)]]
** [[Battle of the Caucasus]]
*** [[Malaya Zemlya]]
** [[Battle of Kalach]]
** [[Battle of Stalingrad]] July 1942 –  February 1943
*** [[Romanian armies in the Battle of Stalingrad|Battle of Stalingrad from Romania side]]
* [[Operation Uranus]]: November 1942
* [[Operation Mars]]: November–December 1942
* [[Operation Little Saturn]]: December 1942 – February 1943
** [[Tatsinskaya Raid]]
* [[Operation Winter Storm]]: December 1942
* [[Battle for Velikiye Luki (1943)]]
* [[Operation Polyarnaya Zvezda]]
** [[Battle of Krasny Bor]]
* [[Ostrogozhsk-Rossosh Operation]]
* [[Battle of Voronezh (1943)]]
* [[Third Battle of Kharkov]]
* [[Warsaw Ghetto Uprising]]
* [[Battle of Kursk|Operation Citadel]]:<ref>[http://www.historylearningsite.co.uk/battle_of_kursk.htm "The Battle of Kursk"]</ref> July–August 1943
** [[Battle of Kursk]]
*** [[Battle of Prokhorovka]]
*** [[Operation Kutuzov]]
* [[Battle of Smolensk (1943)]]
** [[Battle of Lenino]]
* [[Fourth Battle of Kharkov]]
** [[Battle of Belgorod]]
* [[Białystok Ghetto Uprising]]: August 1943
* [[Battle of the Dnieper]]: August–December 1943
** [[Battle of Kiev (1943)]]
* [[Concert (operation)|Operation Concert]]: September 1943
* [[Dnieper–Carpathian Offensive]]: December 1943 – April 1944
** [[Zhitomir–Berdichev Offensive]]
** [[Battle of the Korsun–Cherkassy Pocket|Korsun Pocket]]
** [[Uman–Botoșani Offensive|Uman-Botoshany Offensive]]
** [[Kamenets-Podolsky pocket]]
* [[Leningrad–Novgorod Offensive]]
* [[Rovno-Lutsk Offensive]]
* [[Battle of Narva (1944)]]: February–August 1944
** [[Krasnoye Selo–Ropsha Offensive]]
** [[Kingisepp–Gdov Offensive]]
** [[Battle for Narva Bridgehead]]
*** [[Battle of Auvere]]
** [[Narva Offensive (15–28 February 1944)]]
** [[Narva Offensive (1–4 March 1944)]]
** [[Narva Offensive (July 1944)]]
*** [[Battle of Tannenberg Line]]
* [[Operation Margarethe]]
* [[Crimean Offensive|Crimean Offensive (1944)]]
** [[Kerch-Eltigen Operation]]
* [[Shyaulyay Offensive]]
* [[Battle of Someri]]
* [[Vyborg–Petrozavodsk Offensive]]
* [[Operation Bagration]]: June–August 1944
** [[Vitebsk–Orsha Offensive]]
** [[Mogilev Offensive]]
** [[Bobruysk Offensive]]: June 1944
** [[Minsk Offensive]]
** [[Polotsk Offensive]]
** [[Šiauliai Offensive]]
** [[Vilnius Offensive]]
** [[Belostock Offensive]]: July 1944
** [[Lublin–Brest Offensive]]
** [[Kaunas Offensive]]
** [[Osovets Offensive]]
* [[Battle of Tali-Ihantala]]
* [[Battle of the Bay of Viipuri]]: June–July 1944
* [[Lvov–Sandomierz Offensive]]
* [[Battle of Radzymin (1944)]]
* [[Warsaw Uprising]]
** [[Battle of Jaktorów]]
* [[Battle of Studzianki]]
* [[Operation Doppelkopf]]
* [[Battle of Romania|Romanian campaign]]: August–December 1944
** [[Second Jassy–Kishinev Offensive|Jassy–Kishinev Offensive]]
*** [[First Jassy–Kishinev Offensive]]
**** [[Battle of Târgul Frumos]]
***** [[First Battle of Târgu Frumos]]
***** [[Second Battle of Târgu Frumos]]
* [[Slovak National Uprising]]
* [[Battle of the Dukla Pass]]
* [[Baltic Offensive]]
** [[Riga Offensive (1944)]]
** [[Tallinn Offensive]]
*** [[Battle of Porkuni]]
** [[Moonsund Landing Operation]]
** [[Battle of Memel]]
* [[Belgrade Offensive]]
* [[Operation Nordlicht (1944–1945)]]
* [[Battle of Debrecen]]
* [[Operation Panzerfaust]]
* [[Courland Pocket]]
* [[Gumbinnen Operation]]
* [[Budapest Offensive]]: October 1944 – February 1945
** [[Siege of Budapest]]: December 1944 – February 1945
*** [[Operation Konrad]]
* [[Anti-Soviet resistance by the Ukrainian Insurgent Army]]: April 1944 – October 1945
* [[Vistula–Oder Offensive]]: January–February 1945
** [[Battle of Poznań (1945)]]
* [[East Prussian Offensive]]
** [[Heiligenbeil Pocket]]
** [[Battle of Königsberg]]
* [[Defense of Schwedt Bridgehead]]
* [[Silesian Offensives]]
** [[Lower Silesian Offensive]]
*** [[Siege of Breslau]]: February–May 1945
** [[Upper Silesian Offensive]]
* [[Operation Solstice]]
* [[East Pomeranian Offensive]]
** [[Battle of Kolberg (1945)|Battle of Kolberg]]
* [[Operation Spring Awakening]]
** [[Battle of the Transdanubian Hills]]
* [[Nagykanizsa–Körmend Offensive]]
* [[Vienna Offensive]]
* [[Bratislava–Brno offensive]]
* [[Samland Offensive]]
* [[Battle of Berlin]]: April–May 1945
** [[Battle of the Oder-Neisse]]
*** [[Battle of the Seelow Heights]]
** [[Battle of Halbe]]
* [[Battle of Bautzen (1945)]]: April 1945
* [[Prague Offensive]]
* [[Battle of Odzak]]: 19 April – 25 May 1945
}}

==Indian Ocean==
{{columns-list|colwidth=30em|
* [[Japanese occupation of the Andaman Islands]]: 1942–1945
* [[Battle of Christmas Island]]: March–April 1942
* [[Indian Ocean raid]]: March–April 1942
* [[Easter Sunday Raid]]: April 1942
* [[Battle of Madagascar]]: May–November 1942
* [[Cocos Island Mutiny]]: May 1942
* [[Battle of La Réunion]]: November 1942
* [[Indian Ocean raid (1944)]]: March 1944
}}

==Pacific Front==
{{main|Pacific War}}

{{columns-list|colwidth=30em|
* [[List of attacks on U.S. territory|Japanese attacks on the U.S. or U.S. unincorporated territories]]
** [[Philippines campaign (1941–1942)|Japanese occupation of Philippines]]: December 1941 – May 1942
*** [[Battle of Bataan|Battle of Bataan (1942)]], January–April 1942
*** [[Battle of Corregidor]]: May 1942
** [[Battle of Dutch Harbor]]: June 1942
** [[Battle of Midway]]: June 1942
** [[Japanese occupation of Kiska]]: June 1942
** [[Japanese occupation of Attu]]: June 1942
* [[Dutch East Indies campaign|Japanese occupation of Dutch East Indies]]: December 1941 – March 1942
** [[Battle of Borneo (1941–42)]]
*** [[Battle of Tarakan (1942)]]
*** [[Battle of Balikpapan (1942)]]
** [[Battle of Manado]] (1942)
** [[Battle of Ambon]] (1942)
** [[Battle of Makassar Strait]] (1942)
** [[Battle of Palembang]] (1942)
** [[Battle of Badung Strait]] (1942)
** [[Battle of Timor (1942–43)]]
** [[Battle of the Java Sea]] (1942)
** [[Battle of Sunda Strait]] (1942)
** [[Battle of Java (1942)]]
** [[Second Battle of the Java Sea]] (1942)
* [[Battle of Rabaul (1942)|Japanese Invasion of Rabaul]], January–February 1942
* [[Attacks on Australia during World War II|Japanese attacks on Australia]]: February–June 1942
** [[Bombing of Darwin]]: February 1942
** [[Attack on Broome]]: March 1942
** [[Attack on Sydney Harbour]]: May–June 1942
** [[Raid on Darwin (2 May 1943)|Raid on Darwin]]: May 1943
* [[Invasion of Salamaua–Lae|Japanese Invasion of Salamaua–Lae]], March 1942
* [[Invasion of Tulagi (May 1942)|Japanese Invasion of Tulagi]], May 1942
* [[Battle of the Coral Sea]], May 1942
* [[Battle of Midway]], June 1942
* [[Invasion of Buna-Gona|Japanese Invasion of Buna-Gona]], July 1942
* [[Kokoda Track campaign]], July–November 1942
** [[Battle of Kokoda]]
** [[Battle of Isurava]], August 1942
** [[First Battle of Eora Creek – Templeton's Crossing]], August–September 1942
** [[Battle of Mission Ridge – Brigade Hill]],
** [[Battle of Ioribaiwa]], September 1942
** [[Second Battle of Eora Creek – Templeton's Crossing]], October 1942
** [[Battle of Oivi–Gorari]], November 1942
* [[Battle of Milne Bay]], August–September 1942
* [[Guadalcanal Campaign]]: August 1942 – February 1943
** [[Battle of Tulagi and Gavutu–Tanambogo]], August 1942
** [[Battle of Savo Island]], August 1942
** [[Makin Island raid]], August 1942
** [[Battle of the Tenaru]]: August 1942
** [[Battle of the Eastern Solomons]], August 1942
** [[Battle of Edson's Ridge]]: September 1942
** [[Actions along the Matanikau]]: September–October 1942
** [[Battle of Cape Esperance]], October 1942
** [[Battle for Henderson Field]]: October 1942
** [[Battle of the Santa Cruz Islands]], October 1942
** [[Matanikau Offensive]]: November 1942
** [[Koli Point action]]: November 1942
** [[Carlson's Patrol]]: November–December 1942
** [[Naval Battle of Guadalcanal]]. November 1942
** [[Battle of Tassafaronga]], November 1942
** [[Battle of Mount Austen, the Galloping Horse, and the Sea Horse]]: December 1942
** [[Battle of Rennell Island]]: January 1943
* [[New Guinea campaign]]: October 1942 – August 1945
** [[Battle of Goodenough Island]], October 1942
** [[Battle of Buna–Gona]], November 1942 – January 1943
** [[Battle of Wau]], January 1943
** [[Battle of the Bismarck Sea]], March 1943
** [[Salamaua–Lae campaign]], April–September 1943
*** [[Battle of Mubo]], April–July 1943
*** [[Battle of Bobdubi]], April–August 1943
*** [[Battle of Lababia Ridge]], June 1943
*** [[Landing at Nassau Bay]], June–July 1943
*** [[Battle of Roosevelt Ridge]], July–August 1943
*** [[Battle of Mount Tambu]], July–August 1943
*** [[Landing at Lae]], September 1943
*** [[Landing at Nadzab]], September
** [[Finisterre Range campaign]], September 1943 – April 1944
** [[Huon Peninsula campaign]], September 1943 – March 1944
*** [[Landing at Scarlet Beach]], September–October 1943
*** [[Battle of Finschhafen]], September–October 1943
*** [[Battle of Sattelberg]], November 1943
*** [[Battle of Wareo]], November–December 1943
*** [[Landing on Long Island]], December 1943
*** [[Battle of Sio]], December 1943{{snd}}March 1944
*** [[Landing at Saidor]], January–February 1944
*** [[Battle of Madang]], February–April 1944
** [[Bougainville Campaign]], November 1943 – August 1945
** [[New Britain campaign]], December 1943 – August 1945
** [[Battle of Cape Gloucester]]: December 1943 – April 1944
** [[Admiralty Islands campaign]], February–May 1944
** [[Western New Guinea campaign]], April 1944 – August 1945
** [[Aitape–Wewak campaign]], November 1944 – August 1945
* [[Aleutian Islands Campaign]], March–August 1943
** [[Battle of the Komandorski Islands]]: March 1943
** [[Battle of Attu]]: May 1943
* [[Operation Vengeance]]: April 1943
* [[Solomon Islands Campaign]], June–November 1943
** [[New Georgia Campaign]], June–August 1943
** [[Battle of Kula Gulf]]: July 1943
** [[Battle of Kolombangara]]: July 1943
** [[Battle of Vella Gulf]]: August 1943
** [[Land Battle of Vella Lavella]]: August–October 1943
** [[Naval Battle of Vella Lavella]]: October 1943
** [[Battle of Empress Augusta Bay]]: November 1943
** [[Battle of Cape St. George]]: November 1943
* [[Gilbert and Marshall Islands campaign]], November 1943 – February 1944
** [[Battle of Tarawa]], November 1943
** [[Battle of Kwajalein]], February 1944
** [[Battle of Eniwetok]], February 1944
* [[Mariana and Palau Islands campaign]], June–November 1944
** [[Battle of Saipan]], June 1944
** [[Battle of the Philippine Sea]], June 1944
** [[Battle of Guam (1944)]], July–August 1944
** [[Battle of Tinian]], July–August 1944
** [[Battle of Peleliu]], September–November 1944
** [[Battle of Angaur]], September–October 1944
* [[Battle of Noemfoor]]: July–August 1944
* [[Battle of Morotai]]: September–October 1944
* [[Philippines Campaign (1944–45)]]: October 1944 – September 1945
** [[Battle of Leyte]]: October–December 1944
** [[Battle of Leyte Gulf]]: October 1944
*** [[Battle off Samar]]: 25 October 1944
*** [[Battle of Ormoc Bay]]: November–December 1944
** [[Battle of Luzon]]: January–August 1945
** [[Battle of Manila (1945)]]: February–March 1945
** [[Battle of Bacsil Ridge]]: March 1945
** [[Battle of Mindanao]]: March–Aug 1945
** [[Battle for Cebu City]]: March–Apr 1945
* [[Battle of Iwo Jima]]: February–March 1945
* [[Battle of Okinawa]]: April–June 1945
* [[Battle of Balikpapan (1945)]]: July 1945
* [[Atomic bombings of Hiroshima and Nagasaki]]: August 1945
* [[Soviet invasion of Manchuria]] August 1945
** [[Battle of Mutanchiang]] August 1945
** [[Seishin Operation]]
** [[Soviet invasion of South Sakhalin]]
** [[Invasion of the Kuril Islands]]
* [[Kyūjō incident]]
}}

==China Front==
{{columns-list|colwidth=30em|
* [[Second Sino-Japanese War|1931–1945 Sino-Japanese War]] (September 1931 – September 1945)
** [[Japanese invasion of Manchuria]] September 1931{{snd}}February 1932
*** [[Mukden Incident]] September 1931
*** [[Jiangqiao campaign]] November 1931
**** [[Resistance at Nenjiang Bridge]] November 1931
*** [[Jinzhou Operation]] December 1931{{snd}}January 1932
*** [[Defense of Harbin]] January 1932{{snd}}February 1932
** [[January 28 incident]] January–March 1932
** [[Pacification of Manchukuo]] November 1931{{snd}}February 1942
** [[Actions in Inner Mongolia (1933–1936)|Inner Mongolian campaign]] April 1933{{snd}}December 1936
*** [[Defense of the Great Wall]] February–March 1933
**** [[Battle of Rehe]] February–March 1933
*** [[Suiyuan campaign]] October–November 1936
** [[Marco Polo Bridge Incident]] July 1937
** [[Battle of Beiping–Tianjin]] July–August 1937
** [[Battle of Shanghai (1937)|Battle of Shanghai]] August 1937
*** [[Defense of Sihang Warehouse]] October 26, 1937
** [[Beiping–Hankou Railway Operation]] August 1937
** [[Tianjin–Pukou Railway Operation]] August 1937
** [[Battle of Taiyuan]] September 1937
*** [[Battle of Pingxingguan]] September 1937
*** [[Battle of Xinkou]] September 1937
** [[Battle of Nanjing]] December 1937
** [[Battle of Xuzhou]] February – May 1938
*** [[Battle of Taierzhuang]] March 1938
** [[Bombing of Chongqing]] February 1938{{snd}}August 1943
** [[Taihoku Air Strike]] February 1938
** [[Battle of Northern and Eastern Henan]] February–June 1938
*** [[Battle of Lanfeng]] May 1938
** [[Amoy Operation]] May 1938
** [[Battle of Wuhan]] June 1938
*** [[Battle of Wanjialing]] August 1938
** [[Canton Operation]] October 1938
** [[Hainan Island Operation]] February 1939
** [[Battle of Nanchang]] March 1939
** [[Battle of Suixian-Zaoyang]] May 1939
** [[Swatow Operation]] June 1939
** [[Battle of Changsha (1939)|First Battle of Changsha]] September–October 1939
** [[Battle of South Guangxi]] November 1939
*** [[Battle of Kunlun Pass]] December 1939
** [[1939–1940 Winter Offensive]] November 1939
*** [[Battle of West Suiyuan]] January–February 1940
*** [[Battle of Wuyuan]] March 1940
** [[Battle of Zaoyang-Yichang]] May 1940
** [[Hundred Regiments Offensive]] August 1940
** [[Central Hupei Operation]] November 1940
** [[Battle of South Henan]] January 1941
** [[New Fourth Army Incident]] January 1941
** [[Western Hopei Operation]] March 1941
** [[Battle of Shanggao]] March 1941
** [[Battle of South Shanxi]] May 1941
** [[Battle of Changsha (1941)|Second Battle of Changsha]] September–October 1941
* [[Battle of Changsha (1941-1942)|Third Battle of Changsha]] December 1941{{snd}}January 1942
** [[Battle of Zhejiang-Jiangxi]] May–September 1942
** [[Battle of West Hubei]] May–June 1943
** [[Linnan Campaign]] August 1943
** [[Battle of Changde]] November–December 1943
** [[Operation Ichi-Go]] April–December 1944
*** [[Battle of Central Henan]] April 1944
*** [[Battle of Changsha (1944)|Fourth Battle of Changsha]] May–June 1944
*** [[Defense of Hengyang]] June–August 1944
*** [[Battle of Guilin–Liuzhou]] August–November 1944
** [[Battle of Mount Song]] June–September 1944
** [[Battle of West Henan–North Hubei]] March 1945 &nbsp;— May 1945
** [[Battle of West Hunan]] April 1945 &nbsp;– June 1945
** [[Second Guangxi Campaign]] April–August 1945
** [[Soviet invasion of Manchuria]] August 1945
*** [[Battle of Mutanchiang]] August 1945
}}

==Southeast Asia Front==
{{columns-list|colwidth=30em|* [[Franco-Thai War]]: October 1940 – January 1941
** [[Battle of Ko Chang]]: January 1941
* [[Japanese invasion of Thailand]]: December 1941
** [[Battle of Prachuap Khiri Khan]]: December 1941
* [[Malayan Campaign|Japanese-Thai occupation of Malaya]]: December 1941 – January 1942
** [[Battle of Kota Bharu]]
** [[Operation Krohcol|Battle for the ledge]]
** [[Sinking of Prince of Wales and Repulse|Naval Battle of Malaya]]
** [[Battle of Jitra]]
** [[Battle of Kampar]]
** [[Battle of Slim River]]
** [[Battle of Muar]]
*** [[Battle of Gemas]]
** [[Battle off Endau]]
* [[Bombing of Bangkok in World War II|Bombing of Bangkok]]: 1942–1945
* [[Battle of Singapore|Japanese occupation of Singapore]]: February 1942
** [[Bombing of Singapore (1941)]]
** [[Battle of Sarimbun Beach]]
** [[Battle of Kranji]]
** [[Battle of Bukit Timah]]
** [[Battle of Pasir Panjang]]
* [[Burma Campaign]]
** [[Japanese conquest of Burma|Japanese-Thai occupation of Burma]]: January–May 1942
*** [[Bombing of Rangoon in World War II|Bombing of Rangoon (1941–1942)]]
*** [[Battle of Bilin River]]
*** [[Battle of Sittang Bridge]]
*** [[Battle of Pegu]]
*** [[Taukkyan Roadblock]]
*** [[Battle of Yunnan-Burma Road]]
**** [[Battle of Tachiao]]
**** [[Battle of Oktwin]]
**** [[Battle of Toungoo]]
**** [[Battle of Yenangyaung]]
** [[Burma Campaign 1942–43]]
*** [[Arakan Campaign 1942–1943]]
*** [[Chindits|Chindits Raid]]
** [[Burma Campaign 1944]]
*** [[Battle of the Admin Box]]
*** [[Siege of Myitkyina]]
** [[Operation U-Go|Japanese invasion of India]]: March–June 1944
*** [[Battle of Imphal]]
*** [[Battle of Sangshak]]
*** [[Battle of Kohima]]
** [[Burma Campaign 1944–1945]]
*** [[Battle of Northern Burma and Western Yunnan]]
*** [[Battle of Meiktila and Mandalay]]
*** [[Battle of Pokoku and Irrawaddy River operations]]
*** [[Battle of Hill 170]]
*** [[Battle of Ramree Island]]
*** [[Operation Dracula]]
*** [[Battle of Elephant Point]]
* [[Bombing of South-East Asia (1944–45)|Allies bombing of South-East Asia]]: 1944–1945
** [[Operation Matterhorn]]: 1944
* [[Battle of the Malacca Strait]]: May 1945
* [[Operation Tiderace]]: September 1945
}}

== Military engagements during occupations ==
* [[Occupation of Denmark]]
** [[Operation Safari]]
*** [[Battle of Isefjord]]
* [[German occupation of Norway|Occupation of Norway]]
** [[Telavåg#Telavåg tragedy|Telavåg tragedy]]

== Resistances ==
* [[Danish resistance movement|Danish resistance]]
* [[Norwegian resistance movement|Norwegian resistance]]
* [[Greek resistance]]
** [[Battle of Fardykambos]]
* [[Moldovan resistance during World War II|Moldovan resistance]]

== Naval engagements ==
'''General'''
* [[Arctic Convoys]]
* [[Battle of the Atlantic]] – the name given to the conflict in the Atlantic Ocean between 1939 and 1945.
** see also [[Timeline of the Battle of the Atlantic]]
* [[Battle of the Mediterranean]]
* [[South-East Asian Theatre of World War II#Indian Ocean|Battle of the Indian Ocean]]

'''Specific'''

''1940''
* [[First Battle of Narvik]]
* [[Second Battle of Narvik]]
''1941''
* [[Battle of Cape Matapan]]
* [[Battle of Pearl Harbor]]
''1942''
* [[Battle of the Coral Sea]]
* [[Battle of Midway]]
* [[Battle of Guadalcanal]]
''1943''
* [[Battle of the Komandorski Islands]]
''1944''
* [[Battle of Leyte Gulf]]
''1945''
* [[Operation Ten-Go]]

== Major bombing campaigns ==
'''General'''
* [[Strategic bombing during World War II]]
* [[Strategic bombing survey]] for the overall impact of the bombing.

'''Specific'''
* [[Baedeker Blitz|Baedeker raids]]
* [[Bombing of Chungking in World War II|Chungking]]
* [[Coventry Blitz|Coventry]]
* [[Operation Retribution (1941)]] – bombing of [[Belgrade]] during 1941.
* [[Attack on Broome|Broome]] – Japanese raid on the town of [[Broome, Western Australia|Broome]], targeting the airfield.
* [[Bombing of Dresden in World War II|Dresden]]
* [[Bombing of Darwin|Darwin]] – Japanese target the harbour.
* [[Bombing of Hamburg in World War II|Hamburg]]
* [[Bombing of Helsinki in World War II|Helsinki]] – February 1944, was mostly ineffective due to air defence and deception.
* [[Atomic bombings of Hiroshima and Nagasaki|Hiroshima]] – One nuclear weapon, [[Little Boy]] dropped from a [[B-29]], devastating a city.
* [[Bombing of Kassel in World War II|Kassel]]
* [[London]] – "[[The Blitz]]" and the [[V-1 flying bomb|V-1]] and [[V-2]] campaigns
* [[Lübeck]]
* [[Atomic bombings of Hiroshima and Nagasaki|Nagasaki]] – One nuclear weapon, [[Fat Man]] dropped from a B-29, devastating a city.
* [[Narva]] – March 1944. Evacuated town was destroyed by Soviet ADD.
* [[Battle of Pearl Harbor|Pearl Harbor]]
* [[Rostock]] – Heinkel Airplane Construction Plant, Seaport, and City
* [[Bombing of Rotterdam in World War II|Rotterdam]]
* [[Battle of Stalingrad|Stalingrad]] – 23 August 1942
* [[Tallinn]] – February–March 1944. Bombed by Soviet ADD. Large-scale damage.
* [[Bombing of Tokyo in World War II|Tokyo]] – Several devastating raids.
* [[Bombing of Warsaw in World War II|Warsaw]]

== Operations ==
{{main|List of World War II military operations}}

===Raids===
Small to medium-sized '''raiding operations''' were carried out by both [[Allies of World War II|Allied]] and [[Axis Powers|Axis]] armies during [[World War II]]. The ''modus operandi'' used included [[guerrilla warfare|guerrilla]] attacks by [[Partisan (military)|partisan]]s in occupied territory and/or [[combined operations]] involving the landing and removal of specialised [[light infantry]], such as [[commando]]s, by means of small boats.
* Allied
** [[Operation Colossus]]
*** 10 February 1941
*** Experimental raid by 38 [[British Commandos]] on a fresh water aqueduct near Calitri in southern [[Italy]].
** [[Operation Claymore]]
*** 4 March 1941
*** 1000 Men from the [[British Commandos]] and belonging to the [[Norwegian Independent Company 1]] destroy fish oil factories on the remote islands off the coast of [[Norway]].
** [[Operation Archery]]
*** 27 December 1941
*** 570 men from the [[British Commandos]] and belonging to the [[Norwegian Independent Company 1]] raid  and attack German positions on [[Vågsøy]] Island in [[Norway]].
** [[Battle of Timor (1942-43)|Battle of Timor]]
*** 19 February 1942 – 10 February 1943
*** Continuous raids from [[Australians|Australian]] commandos against the occupying Japanese.
** [[Operation Chariot]]
*** 28 March 1942
*** 196 [[Royal Navy]] and [[Army Commando]] units raid and destroy the heavily defended docks of [[St. Nazaire]] in occupied [[France]].
** [[Dieppe Raid]]
*** 19 August 1942
*** Over 6,000 infantrymen, mostly [[Canadians|Canadian]] attempted to seize and hold the port of [[Dieppe, Seine-Maritime|Dieppe]].
** [[Makin Island raid]], 17–18 August 1942
** [[Operation Jaywick]], September 1943
** [[Operation Jedburgh]], 1944
** [[Operation Roast]], April 1945
* Axis
** [[Operation Greif]], December 1944

'''Raiding units'''
* Allied
** Multinational
*** [[Chindits]]
*** [[Devil's Brigade]]
*** [[Z Special Unit]]
*** [[Popski's Private Army]]
*** [[Gideon Force]]
** [[Australia]]
*** [[Australian Army Independent Companies]]
** [[France]]
*** [[Far East French Expeditionary Forces]]
*** [[Intervention Light Corps]]
** [[Greece]]
*** [[Sacred Band (World War II)|Sacred Band]]
** [[United Kingdom]]
*** [[Long Range Desert Group]]
*** [[Special Air Service]]
*** [[Royal Marines]]
*** [[Special Operations Executive]]
*** [[British Commandos|British Army Commandos]]
**** [[Layforce]]
*** [[Parachute Regiment (United Kingdom)|British Paratroopers]]
** [[United States]]
*** [[Marine Raiders]]
*** [[US Army Rangers]]
*** [[Alamo Scouts]]
*** [[Merrill's Marauders]]
* Axis
** [[Nazi Germany]]
*** [[Brandenburger Regiment]]
*** [[Waffen-SS]] (commando force led by [[Otto Skorzeny]]).
** [[Fascist Italy (1922–1943)|Fascist Italy]]
*** [[Decima Flottiglia MAS]]
** [[Empire of Japan]]
*** [[Special Naval Landing Forces]]

== Defensive lines ==
* [[Atlantic Wall]]
* [[Caesar Line]]
* [[GHQ Line]]
* [[Gothic Line]]
* [[Gustav Line]]
* [[Maginot Line]]
* [[Mannerheim Line]]
* [[Metaxas Line]]
* [[Siegfried Line]]
* [[Taunton Stop Line]]

== Contemporaneous wars ==
* [[Chinese Civil War]]
* [[Ecuadorian–Peruvian War]]
* [[Greek Civil War]]
* [[Second Italo-Abyssinian War]]
* [[Soviet-Japanese Border War (1939)]]
* [[Spanish Civil War]]
* [[Waziristan campaign (1936–1939)]]
* [[Afghan tribal revolts of 1944–1947]]

==References==
{{Reflist}}

== See also ==
* [[Campaigns of World War II]]
* [[Participants in World War II]]
* [[List of World War II military operations]]
* [[List of battles 1901–2000]]

{{World War II}}

[[Category:Battles and operations of World War II|*]]
[[Category:World War II-related lists|Battles]]
[[Category:Chronology of World War II|Battles]]
[[Category:Military operations of World War II|Engagements]]