constantine By jaidendendendendendendendendendnendenden 272 BCE birth of constantine birth of constantine 311 galerius died galerius died 312 civil war erupted 313 constantine becomes christan 313 edict of milan signed with licinius 324 Constantine defeated licinius and became emperor of roam 330 Constantine bilt a bilding called constanople new city of roam 337 constantine died