Events

• Battle of Yamen. Mongolian Yuan Dynasty annihilated the last fleet of Chinese Song Dynasty and thus exterminated the Song Dynasty
• D. Diniz becomes king of Portugal
• King Edward I of England bans land grants to the church. A dispute with the Archbishop of Canterbury John Peckham led to the ruling in the Statute of Mortmain. This was the first act of anticlerical legislation in England.
• Nameise becomes king of Semigallians
• The Hundred Rolls of 1279

Births

Deaths

• February 16 - King Afonso III of Portugal
• September 11 - Robert Kilwardby, Archbishop of Canterbury