May 30 - Battle of Damme: The English fleet under William Longsword destroys a French fleet off the Belgian port, in the first major victory for the fledgling Royal Navy.
JinChina 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 Mizhou and orders all the inhabitants massacred.