350 CE
January
January
Magnentius, commander of a corps in the Roman army, overthrows and kills Constans.
351 CE
Constantius II defeats Magnentius at the Battle of Mursa Major, which is costly for both sides.
353 CE
August 8
August 8
Constantius II defeats Magnentius at the Battle of Mons Seleucus.
353 CE
August 10
August 10
Magnentius commits suicide, leaving Constantius II in complete control.