Years: 245 246 247 248 - 249 - 250 251 252 253

Decades: 210s 220s 230s - 240s - 250s 260s 270s

Centuries: 2nd century - 3rd century - 4th century

Events

• Trajan Decius becomes Roman emperor.

Births

• Sima Lun, usurper of the Jin Dynasty in China (possible date)

Deaths

• Wang Pi, Chinese philosopher
• Philip the Arab, Roman emperor