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Events

By Place

Western Roman Empire

• April 7 - The Huns sack Metz.
• June 20 - The Huns and the Ostrogoths facing the Romans and the Visigoths achieve at best a draw in the Battle of Chalons. After the Battle, 10- to 20,000 men lie dead on the Catalaunian Fields.
• In Italy, refugees flee to swamp areas near modern-day Venice.

Europe

• Battle of Vartanantz: Armenian army is defeated by the Persians, and their rebel leader, Saint Vartan, dies. Despite the loss, Armenians consider this battle to have been a moral victory, and its anniversary is a national and religious holiday.

Asia

• Sassanid ruler Yazdegerd II's decree abolishes the Sabbath and orders executions of Jewish leaders, including the Exilarch Mar Nuna.

By Topic

Religion

• October 8 - Council of Chalcedon, Ecumenical council of the Christian church. As a result of this council the Oriental Orthodox churches became a separate communion.
• Jerusalem becomes a Patriarchate.
• Dioscorus of Alexandria is deposed as Patriarch of Antioch.

Births

• Jacob of Serugh - Syriac author
• Brigid of Ireland - Irish saint

Deaths

• Theodoric, king of the Visigoths (killed in battle)

451

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