1303

Events 
 24 February: Battle of Roslin
 20 April: Pope Boniface VIII starts the University of Rome La Sapienza
October 22 – Pope Benedict XI replaces Pope Boniface VIII as the 194th pope.
 Edward I of England fights for and wins back Scotland (see also: William Wallace, Wars of Scottish Independence)
 The Khilji Dynasty under Alauddin Khilji beats Chittorgarh in northern India.

 Births 
 Saint Birgitta, Swedish saint (died 1373)
 Gegeen Khan, Mongol emperor of China (died 1323)

 Deaths 
 October 11 – Pope Boniface VIII
 Daniel of Russia, he was the first prince of Moscow
 Ivan Asen III of Bulgaria, emperor of Bulgaria
 Beatrix of Castile, wife of King Afonso III of Portugal (born 1242)

 Other 
 Avoirdupois system of weights and measures comes to England and Wales.
 An earthquake destroys the Lighthouse of Alexandria in Egypt, one of the seven wonders of the world