| Year
|
War
|
Belligerents (excluding Denmark)
|
Outcome
|
| Allies
|
Enemies
|
| c. 770
|
Harald Wartooth's invasion of Sweden
|
File:Raven Banner.svg Denmark
|
File:Royal Banner of Sweden (14th Century).svgSweden
|
Viking victory
|
| c.770
|
Battle of Brávellir
|
File:Raven Banner.svg Denmark Wends Eastern Geats
|
File:Royal Banner of Sweden (14th Century).svg Sweden Estonians Western Geats
|
Defeat
|
| 780s-850
|
Viking invasions of England
|
File:Raven Banner.svgNorse Vikings
|
Template:Flagicon Kingdom of England
|
Viking victory
- Series of Viking attacks on Christian monasteries in the British Isles
|
| 810–811
|
Invasion of Frisia
|
File:Raven Banner.svgDanish Kingdom
|
Francia
|
Viking victory
|
| 813
|
Halfdan the Mild's revolt
|
File:Raven Banner.svgDanish Kingdom
|
Halfdan the Mild
|
Revolt successful
Denmark is expelled and Vestfold gains independence.
|
| 838
|
Battle of Hingston Down
|
File:Raven Banner.svgDanish Vikings St Piran's Flag of Cornwall Cornwall
|
Anglo-Saxons
|
Defeat
|
| 845
|
Siege of Paris (845)
|
File:Raven Banner.svgDanish Vikings
|
Francia
|
Viking victory
|
| 851
|
Battle of Aclea
|
File:Raven Banner.svgDanish Vikings
|
Kingdom of Wessex
|
Defeat
|
| 853
|
Invasion of Courland
|
File:Raven Banner.svgDanish Vikings
|
Curonians
|
Defeat
|
| 859
|
Viking raid on Nekor[1][2][3] (ca. 859)
|
File:Raven Banner.svgNorse Vikings
|
Kingdom of Nekor
|
Viking victory
- Vikings occupied Nekor for 8 days.
|
| 865–878
|
Great Heathen Army's invasion of England
|
File:Raven Banner.svgNorse Vikings Norse–Gaels
|
Anglo-Saxon kingdoms:
Kingdom of Strathclyde Kingdom of Alba
|
Viking victory
|
| 866
|
Battle of Brissarthe
|
File:Raven Banner.svgDanish Vikings Script error: No such module "String".File:Flag of Brittany (Gwenn ha du).svg Brittany
|
Francia
|
Viking victory
|
| 880
|
Battle of Thimeon
|
File:Raven Banner.svgDanish Vikings
|
West Francia
|
Defeat
|
| 881
|
Battle of Saucourt-en-Vimeu
|
File:Raven Banner.svgDanish Vikings
|
West Francia
|
Defeat
|
| 882
|
Siege of Asselt
|
File:Raven Banner.svgDanish Vikings
|
East Francia
|
Defeat
|
| 885–886
|
Siege of Paris (885–886)
|
File:Raven Banner.svgDanish Vikings
|
West Francia
|
Stalemate
|
| 891
|
Battle of Leuven (891)
|
File:Raven Banner.svgDanish Kingdom
|
East Francia
|
Defeat
- Death of Sigfried and Godfried
|
| 899–902
|
Æthelwold's Revolt
|
Followers of Æthelwold ætheling Supported by: Danes of Northumbria Kingdom of East Anglia
|
Followers of Edward the Elder:
|
Defeat
|
| 902
|
Battle of the Holme
|
File:Raven Banner.svgDanish Vikings
|
Followers of Edward the Elder:
|
Viking victory
|
| 900s
|
Olof the Brashs conquest of Denmark
|
File:Raven Banner.svgDanish Kingdom
|
Olof the Brash
|
Defeat
Victory for Olof
|
| 911
|
Siege of Chartres (911)
|
File:Raven Banner.svgDanish Vikings
|
West Francia
|
Stalemate
|
| 939
|
Battle of Trans-la-Forêt
|
File:Raven Banner.svgDanish Vikings
|
West Francia Script error: No such module "String".File:Flag of Brittany (Gwenn ha du).svg Brittany
|
Defeat
|
| 955–961
|
War between King Haakon the Good and the sons of Eirik Bloodaxe
|
File:Coat of arms of Norway (1924) no crown.svg Sons of Eric Bloodaxe File:Raven Banner.svg Kingdom of Denmark
|
File:Royal Standard of Norway.svg Norway
|
Defeat
|
| 974
|
German–Danish War of 974
|
File:Raven Banner.svg Kingdom of Denmark File:Coat of arms of Norway (1924) no crown.svg Kingdom of Norway
|
File:Banner of the Holy Roman Emperor (after 1400).svg Holy Roman Empire File:Coat of arms of Norway (1924) no crown.svg Norwegian Rebels
|
Defeat
- Hedeby under German occupation from 974 to 981
|
| mid-980s
|
Sweyn's revolt against Harald Bluetooth
|
File:Raven Banner.svg Sweyn Forkbeard
|
File:Raven Banner.svg Harald Bluetooth
|
Victory for Sweyn Forkbeard
|
| 986
|
Battle of Fýrisvellir
|
File:Raven Banner.svg Kingdom of Denmark File:Raven Banner.svg Jomsvikings
|
File:Royal Banner of Sweden (14th Century).svg Sweden
|
Defeat
|
| 986
|
Battle of Hjörungavágr
|
File:Raven Banner.svg Kingdom of Denmark File:Raven Banner.svg Jomsvikings
|
File:Royal Standard of Norway.svg Norway
|
Defeat
|
| 986
|
Norwegian-Jomsviking War
|
File:Raven Banner.svg Kingdom of Denmark File:Raven Banner.svg Jomsvikings
|
File:Royal Standard of Norway.svg Norway
|
Defeat
- Norwegian Victory
- Danish fleet destroyed
|
| 992
|
Erik the Victorious invasion of Denmark
|
File:Raven Banner.svgDanish Kingdom
|
File:Royal Banner of Sweden (14th Century).svgSweden
|
Defeat Swedish victory[4][5]
|
| mid-990s
|
Eric the Victorious invasion of the Holy Roman Empire
|
File:Raven Banner.svgDanish Kingdom
File:Royal Banner of Sweden (14th Century).svgSweden
|
Template:FlagiconHoly Roman Empire
|
Stalemate Stade and Northern Germany gets pillaged and plundered by Vikings. Eric, however, fails to permanently capture land in the Holy Roman Empire.
|
| 1000
|
Battle of Svolder
|
File:Raven Banner.svg Kingdom of Denmark File:Royal Banner of Sweden (14th Century).svg Sweden Earldom of Lade
|
File:Royal Standard of Norway.svg Norway
|
Allied Victory
|
| 1001
|
First Battle of Alton
|
File:Raven Banner.svg Kingdom of Denmark
|
Anglo-Saxons
|
Danish victory
|
| 1001
|
Battle of Pinhoe
|
File:Raven Banner.svg Kingdom of Denmark
|
Template:Flagicon Kingdom of England
|
Danish victory
|
| 1004
|
Battle of Thetford
|
File:Raven Banner.svg Kingdom of Denmark
|
File:Royal Standard of Norway.svg Norway Anglo-Saxons
|
Anglo-Norwegian Victory
|
| 1010
|
Battle of Ringmere
|
File:Raven Banner.svgDanish Vikings
|
Anglo-Saxons
|
Viking victory
- Over a three-month period the Danes wasted East Anglia, burning Thetford and Cambridge
|
| 1013
|
Sweyn Forkbeards invasion of England
|
File:Raven Banner.svg Kingdom of Denmark
|
Template:Flagicon Kingdom of England
|
Danish victory
|
| 1015–1016
|
Olav II's conquest of Norway (1015–1016)
|
Kingdom of Sweden Kingdom of Denmark Earldom of Orkney
|
Kingdom of Norway
|
Defeat
|
| 1016
|
Cnut the Great's invasion of England
|
File:Raven Banner.svg Kingdom of Denmark File:Raven Banner.svg Kingdom of Norway
|
Template:Flagicon Kingdom of England
|
Dano-Norwegian victory
|
| 1026
|
Battle of Helgeå
|
File:Raven Banner.svg Kingdom of Denmark Template:Flagicon Kingdom of England
|
File:Royal Banner of Sweden (14th Century).svgSweden File:Royal Standard of Norway.svg Norway
|
Anglo-Danish victory
- Subjegation of parts of Sweden
|
| 1028–1029
|
Cnut's Invasion of Norway
|
File:Raven Banner.svg North Sea Empire
|
File:Royal Standard of Norway.svg Norway
|
Anglo-Danish victory
|
| 1031
|
Battle of Stiklestad
|
File:Raven Banner.svgThe "Peasant Army".loyal to Cnut the Great.
|
File:Royal Standard of Norway.svg Norway
|
Peasant victory
|
| 1031
|
Cnuts expedition to Scotland
|
File:Raven Banner.svg North Sea Empire
|
File:Royal Arms of the Kingdom of Scotland.svg Kingdom of Scotland
|
victory for the North Sea Empire
- Malcolm II, Maelbaethe and Lehmarc subjugated
|
| c.1034
|
Annexation of Strathclyde
|
File:Royal Arms of the Kingdom of Scotland.svg Kingdom of Scotland File:Raven Banner.svg North Sea Empire
|
Kingdom of Strathclyde
|
Scottish victory
- kingdom of Strathclyde conquered
|
| 1043
|
Magnus the Good's conquest of Denmark
|
File:Raven Banner.svg Denmark
|
Template:Flagicon Kingdom of Norway
|
Defeat
|
| 1043
|
Battle of Lyrskov Heath
|
Template:Flagicon Norway
|
Wends
|
Norwegian and Danish Loyalist victory
|
| 1043
|
Norwegian-Wendish War
|
Template:Flagicon Norway
|
Wends
|
Norwegian and Danish Loyalist victory
- Destruction the Viking fort Jomsborg, possibly to destroy the Danish competitors to the throne. Plundering of the Wendish town of Jumne.
|
| 1048–1064
|
Invasion of Denmark
|
File:Raven Banner.svg Denmark
|
Template:Flagicon Norway
|
Victory
- Peace agreement, mutual recognition and Norwegian withdrawal.
|
| 1069–1075
|
Danish attacks on Norman England
|
Template:Coat of arms Earl of Northumbria
|
File:Royal Arms of England (1154-1189).svg Norman England
|
Stalemate
|
| 1086
|
Peasant rebellion in Vendsyssel
|
File:Flag of Denmark.svg Denmark
|
peasants
|
Defeat
|
| 1093
|
Battle of Schmilau
|
File:Wappen Mecklenburg 1.svg Prince Henry Template:Coat of arms File:Arms of the house of Ascania (ancient).svg Saxony
|
Obotrites
|
Victory
- Victory for the Christian coalition
|
| 1096
|
Magnus's raids on Halland
|
Template:Country data Medieval Denmark
|
Template:Country data Medieval Norway
|
Defeat
|
| 1131–1157
|
Danish Civil War (Civil war)[7]
|
Template:Coat of armsTemplate:Hr
Template:Coat of arms
|
Template:Coat of arms
|
Valdemar Victory
- Valdemar I is made king of all of Denmark
|
| 1136
|
Erik Emunes invasion of Rügen
|
Template:Coat of arms
|
Rani
|
Danish Victory
- Rügen conquered and converted, but the Rani returned to their pagan belief after the Danes left.
|
| 1144–1147
|
Wendish Crusade
|
Template:Coat of arms File:POL Przemysł II 1295 COA.svg Kingdom of Poland Template:FlagiconHoly Roman Empire
|
Polabian Slavs West Slavs
|
Victory
|
| 1168 or 1169
|
Siege of Arkona
|
Template:Coat of arms
|
Rani
|
Danish Victory
- Rügen conquered and converted
|
| 1170
|
Battle of Julin Bridge
|
Template:Coat of arms
|
File:POL województwo zachodniopomorskie COA.svg Pomerania
|
Danish Victory
- entire army of Bogislaw scattered
|
| 1181
|
Battle of Dösjebro
|
Royalists
|
Scanian rebels
|
Royalist Victory
|
| 1182
|
Harald Skraengs uprising
|
Harald Skraeng Sweden
|
Denmark
|
Victory Uprising quelled
|
| 1184
|
Battle of Greiswald Bay[8]
|
Template:Coat of arms
|
File:Grunwald Słupsk i Szczecin.svg Pomerania Supported by: Template:FlagiconHoly Roman Empire
|
Danish Victory
|
| 1189–1192
|
Third Crusade
|
File:Royal Arms of England.svg Angevin Empire File:Arms of the Kings of France (France Ancien).svg Kingdom of France File:Arms of the Kingdom of Jerusalem.svg Kingdom of Jerusalem
File:Shield of the Republic of Pisa.svg Republic of Pisa File:Coat of Arms of the House of Hauteville (according to Agostino Inveges).svg Kingdom of Sicily File:CoA Pontifical States 02.svg Papal States File:Shield and Coat of Arms of the Holy Roman Emperor (c.1200-c.1300).svg Holy Roman Empire File:Přemyslovci erb.svg Duchy of Bohemia File:Coat of arms of the Armenian Kingdom of Cilicia.svg Armenian Kingdom of Cilicia File:National Coat of arms of Denmark no crown.svg Kingdom of Denmark File:Armoiries Gênes.svg Republic of Genoa
|
File:Flag of Ayyubid Dynasty.svg Ayyubids Template:Smalldiv
|
Crusader Victory
|
| 1191
|
Danish Crusade of 1191[9]
|
Template:Coat of arms
|
Finnish tribes
|
Unknown result
|
| 1192
|
Invasion of Bishop Valdemar[10]
|
Template:Coat of arms
|
Template:Coat of armsBishop Valdemar Supported by: File:Erican Dynasty heraldic lions (drawing 1996).jpg Sweden[11] File:Coat of arms of Norway (1924) no crown.svg Norway[12] File:Or three leopards sable.svg Hohenstaufen File:Schaumburg Holstein Nesselblatt Wappen coat of arms.svg Holstein File:DEU Ratzeburg COA.svgRatzeburg File:CoA Brandenburg, Germany.svgBrandenburg
|
Victory
- Bishop Valdemar is imprisoned
|
| 1201
|
Battle of Stellau
|
Template:Coat of arms
|
File:Holstein Arms.svg County of Holstein
|
Danish Victory
|
| 1201
|
Danish Crusade of 1201
|
Template:Coat of arms
|
Finnish tribes
|
Indecisive
- Conquered regions handed over to Sweden[13]
|
| 1203–1290
|
Livonian Crusade
|
File:Zakon Kawalerów Mieczowych COA.svg Sword-Brothers File:Baltic coat of arms.svg Livonian Order Template:Flagicon Denmark File:Shield of arms of Sweden.svg Sweden
|
Indigenous peoples
|
Victory
|
| 1204–1208
|
The Second Bagler War
|
Template:Coat of arms Bagler Party
|
Birkebeiner
|
Peace
|
| 1210
|
Battle of Gestilren
|
Template:Flagicon Denmark House of Sverker
|
File:Shield of arms of Sweden.svg Sweden House of Eric
|
Defeat
|
| 1210
|
Invasion of Pomeralia
|
Template:Coat of arms
|
Pomeralia
|
Danish Victory
|
| 1219
|
Battle of Lyndanisse
|
Template:Flagicon Denmark
|
Non-Christian Estonians
|
Danish Victory
- According to legend, Dannebrog fell from the sky, as an apparently helpful divine intervention, just when the Danish Crusaders were about to lose the battle to the local pagans. The flag has been the official flag of Denmark ever since, making it the world's oldest national flag still in use.
|
| 1225
|
Battle of Mölln (1225)
|
Template:Flagicon Denmark
|
File:Wappen Mecklenburg-Schwerin 2.svg County of Schwerin
|
Defeat
- Danish possessions in Germany rebels
|
| 1227
|
Danish–German war
|
Template:Flagicon Denmark
|
File:Holstein Arms.svg County of Holstein File:Hanse Lübeck.svg Hanseatic League
|
Defeat
|
| 1240–1242
|
Livonian campaign against Rus'
|
File:Baltic coat of arms.svg Livonian Order Template:Flagicon Denmark
|
Novgorod Republic
|
Defeat
|
| 1245
|
Battle of Embo
|
Template:Flagicon Denmark Template:Flagicon Norway
|
Template:Flagicon Kingdom of Scotland
|
Defeat
|
| 1250
|
Expedition against Frisia
|
File:Flag of Denmark.svg Denmark
|
Frisian rebels
|
Defeat
|
| 1256-1257
|
Halland War
|
Template:Flagicon Denmark
|
Template:Flagicon Norway
|
Defeat
|
| 1259-1261
|
The Archbishop War[14]
|
File:State Banner of Denmark (14th Century).svg Margaret
|
File:Jacob Erlandsen.jpgLund Archbishopric File:Coat of arms of Schleswig.svgSchleswig File:Księstwo rugijskie COA.svgRügen
|
Defeat
|
| 1274-1275
|
The war against Valdemar Birgersson
|
Template:Flagicon Denmark Magnus III of Sweden
|
File:Shield of arms of Sweden.svg Sweden
|
Victory
|
| 1276–1278
|
6000-mark war
|
Template:Flagicon Denmark
|
File:Shield of arms of Sweden.svg Sweden
|
Victory
|
| 1289–1295
|
Danish-Norwegian War
|
Template:Flagicon Denmark
|
File:Royal Standard of Norway.svg Norway Danish outlaws
|
Defeat
|