1213

Events

 * - ; English fleet under destroyes a French fleet off the Belgian port in the first major victory for the fledgling Royal Navy.
 * - ; The Toulousain and Aragonese forces of  and  defeated by the  under.
 * is overrun by under, who plunder the countryside and cities, until only  remained free, despite two bloody palace coups and a lengthy siege.
 * Pope Innocent III issues a charter, calling for the Fifth Crusade to recapture Jerusalem.
 * seizes and orders all the inhabitants massacred.

Births

 * -, French crusader (died )
 * -, Persian philosopher and Sufi mystic

Deaths

 * - King (killed in battle) (born )
 * -, wife of (murdered) (born )
 * , Grand Prince of Lithuania
 * , Persian mathematician (born )
 * -, EVERYWHERE
 * , Persian mathematician (born )
 * -, EVERYWHERE