308-337: Emperor Constantine the Great's rule
313: Edict of Milan under Constantine (Christianity)
375: Invasion of the Huns in Western Europe (start of the Migration Period)
394: End of the Olympic Games
395: Roman Empire divided (Western and Eastern Empire)
410: Rome sacked by the Visigoths
476: Emperor Romulus Augustulus replaced by Odoacer (King)
529: Academy in Athens is closed
622: Hijra: Muhammad leaves Mecca for Medina (Year 0 in Islam)
633: Beginning of the Muslim conquests
711: Arabs arrive in Spain
800: Charlemagne crowned in Rome