Events

• May 30 - Battle of Damme; English fleet under William Longsword destroyes a French fleet off the Belgian port in the first major victory for the fledgling Royal Navy.
• September 12 - Battle of Muret; The Toulousain and Aragonese forces of Raymond VI of Toulouse and Peter II of Aragon defeated by the Albigensian Crusade under Simon de Montfort
• Jin China is overrun by Mongols under Ghengis Khan, who plunder the countryside and cities, until only Beijing remained free, despite two bloody palace coups and a lengthy siege.

Births

• March 9 - Hugh IV, Duke of Burgundy, French crusader (died 1271)
• June 10 - Fakhruddin 'Iraqi, Persian philosopher and Sufi mystic

Deaths

• September 12 - King Peter II of Aragon (killed in battle) (born 1174)
• September 24 - Gertrude of Merania, wife of Andrew II of Hungary (murdered) (born 1185)
• Dowsprunk, Grand Prince of Lithuania
• Geoffrey Fitz Peter, 1st Earl of Essex
• Frederick II, Duke of Lorraine
• Sharafeddin Tusi, Persian mathematician (born 1135)

1213

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