|Centuries:||2nd century – 3rd century – 4th century|
|Decades:||210s 220s 230s – 240s – 250s 260s 270s|
|Years:||240 241 242 – 243 – 244 245 246|
- Battle of Resaena: A Roman army under Timesitheus defeats the Persians at Resaena (Syria). King Shapur I must run away to the Euphrates.
- Timesitheus becomes ill and dies under suspicious circumstances. Shapur I goes back to Persia.
- Emperor Gordian III picks Philip the Arab as his new praetorian prefect.