- 441 - which penetrate Hunnenunder the guidance of Attila into the Balkans.
- 442 - In a contract with the Vandalenkönig Geiserich recognizes the westRoman realm under Valentinian III. its rule as first sovereigns state on up to then Roman soil.
- 444 - Pc. Patrickbegins with the Christianisierung Ireland; Establishment of Armagh.
- around 447 - The British ruler Vortigern appoints after the excessive quantity Saxonian Krieger under Hengest and Horsa from the European mainland to east England, thereby her him against the Pikten support. The fishing rod Saxonia revolt in the consequence against the British and establish own kingdoms.
- 3. August 449 - Opening of Leo I. “Räubersynode” (latrocinium) called church meeting in Ephesos: Second council of Ephesos. The RomanRepresentative Leos was refused the presidency. The Patriarchen of Konstantinopel and Antiochia, Flavian and Domnus II., are explained set off from the director/conductor of the council, Patriarch Dioskur from Alexandria, for, to that by armed fighters the monophysitische Lehrmeinung of theEutyches to intersperse wants.