Centuries: 4th century - 5th century - 6th century
- Synod of Toledo: The filioque clause is added to the Nicene Creed
- Merovech becomes king of the Franks
- Battle of the Utus: Attila the Hun is defeated by the Eastern Romans in an indecisive battle
- Sofia destroyed by the Huns
- Flavian becomes bishop of Constantinople.