1213
*
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.
*
March 9 -
Hugh IV, Duke of Burgundy, French crusader (died
1271)
*
June 10 -
Fakhruddin 'Iraqi, Persian philosopher and Sufi mystic
*
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)