Centuries: 2nd century - 3rd century - 4th century
Decades: 190s 200s 210s 220s 230s - 240s - 250s 260s 270s 280s 290s
Years: 240 241 242 243 244 - 245 - 246 247 248 249 250
Events
- Roman emperor Philip the Arabian entrusted future emperor Gaius Messius Quintus Trajanus with an important command on the Danube
- Diocles, who would become the Roman Emperor Diocletian.
- Cao Huan, last emperor of the Kingdom of Wei (possible date)
- Ammonius Saccas, Greek philosopher (possible date)\n