1263

War and politics

 * October - King defeats the Viking armada of King  in the.
 * King conquers,  from the  during the.
 * , the only  of, is assassinated by his cousin.
 * The chieftains of the eastern part of Iceland become the last to pledge fealty to the Norwegian king, bringing a more complete end to the and the.
 * captures the city of on  from the.
 * is defeated in an attempted invasion north of the.
 * Based on  (Poland) was given

Culture

 * , chief of, defends the  in an important  against  before King.
 * The doctrines of  are condemned as  by the  at a  in.
 * is founded by.
 * The is constructed in  by Count.

Births

 * -, Syrian philosopher and jurist (died )
 * (died )

Deaths

 * -, French cardinal
 * -, King of Lithuania
 * -, Grand Prince of Novgorod and Vladimir
 * - King (born )
 * , Lord Warden of the Cinque Ports
 * Count
 * , regent of Japan (born )