Battle of the Catalan Fields or Chalen (Northern France) between Romans+Ostrogoths+Franks+Visigoths and Huns, 30,000 – 50,000 men are involved in battle for 24 hours, the Huns are defeated; Attila’s warriors are struck by smallpox; the Romans of Aetius and the Visigoths of Theodoric defeat the Huns of Attila who had previously plundered Thrace and had then signed an armistice with the Eastern Roman Empire; Aetius spares Attila’s life after the battle probably because he hopes to use him to keep the Visigoths at bay
