What Happened in 451

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Historical Events

  • Apr 7 Attila's Huns plunder Metz
  • May 26 The Battle of Avarayr between Armenian rebels and the Sassanid Empire takes place. The Armenians are defeated militarily but are guaranteed freedom to openly practice Christianity.
  • Jun 20 Battle of the Catalaunian Plains: Roman and Visigoths forces defeat Attila the Hun in north east France
  • Jun 24 10th recorded perihelion passage of Halley's Comet
  • Sep 20 Roman General Flavius Aetius defeats Attila the Hun at The Battle of the Catalaunian Plainsat (Chalons-sur-Marne), halting Hun invasion of Roman Gaul
  • Oct 8 Council of Chalcedon (4th ecumenical council) opens

Famous Deaths

  • Jun 20 Theodorid, King of the Visigoths