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|1213 by topic|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1213 in poetry|
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- May 15 – King John of England submits to Pope Innocent III, who in turn lifts the interdict of 1208.
- May 30 – Battle of Damme: The English fleet under William Longespée, 3rd Earl of Salisbury, destroys 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 are defeated by the Albigensian Crusade, under Simon de Montfort.
- Jin China is overrun by the Mongols under Genghis Khan, who plunder the countryside and cities, until only Beijing remains free, despite two bloody palace coups and a lengthy siege.
- Pope Innocent III issues a charter, calling for the Fifth Crusade to recapture Jerusalem.
- Mukhali seizes Mi Prefecture and orders all the inhabitants massacred.
- March 9 – Hugh IV, Duke of Burgundy, French crusader (d. 1271)
- June 10 – Fakhr-al-Din Iraqi, Persian philosopher and Sufi mystic
- January 18 – Queen Tamar of Georgia (b. c. 1160)
- April 13 – Guy of Thouars, regent of Brittany
- April 21 – Maria of Montpellier, Lady of Montpellier, Queen of Aragon (b. 1182)
- September 12 – King Peter II of Aragon (killed in battle) (b. 1174)
- September 28 – Gertrude of Merania, queen consort regent of Hungary (murdered) (b. 1185)
- October 10 – Frederick II, Duke of Lorraine
- October 14 – Geoffrey Fitz Peter, 1st Earl of Essex
- Sharafeddin Tusi, Persian mathematician (b. 1135)