240s

File:Portrait of Philip the Arab. Saint-Petersburg, The State Hermitage Museum (cropped).jpg

Philip the Arab ruled the Roman Empire from 244 to 249 in the middle of the Crisis of the Third Century. During his reign, Rome celebrated the 1000th anniversary of the supposed founding of Rome with the ludi saeculares.

The 240s decade ran from January 1, 240, to December 31, 249.