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Centuries: 2nd century - 3rd century - 4th century Decades: 200s 210s 220s 230s 240s - 250s - 260s 270s 280s 290s 300s Years: 248 249 250 251 252 - 253 - 254 255 256 257 258 Events Pope Lucius I succeeds Pope Cornelius Aemilianus becomes Roman emperor Valerian I becomes Roman emperor. He appoints his son Gallienus as his junior colleague. Births Deaths Pope Cornelius See also: 253 (book)
Centuries: 2nd century - 3rd century - 4th century
Decades: 200s 210s 220s 230s 240s - 250s - 260s 270s 280s 290s 300s
Years: 248 249 250 251 252 - 253 - 254 255 256 257 258
Births
Deaths