1250

Events 
 Europe 

 December 13 – Frederick II, Holy Roman Emperor, dies
 King Afonso III of Portugal captures the Algarve from the Moors.
 Valdemar, becomes King of Sweden.
 University of Valladolid is founded in Spain.
 The Rialto Bridge in Venice, Italy is changes from a pontoon bridge to a permanent, raised wooden bridge.
 Vincent of Beauvais completes his encyclopedic work, The Greater Mirror.
 The Parlement law courts of ancien régime France are created.
 A sickness breaks out in the city Naples (In what is now Italy), called the Naple's Plague

 Africa 
 July 3 – Louis IX of France is captured by Baibars' Mamluk army at the Battle of Fariskur while he is in Egypt at the Seventh Crusade.
 The Bahri dynasty of Mamluks seize power in Egypt.
 The Walayta state is founded in present-day Ethiopia (see Rulers of Walayta)

 Births 
 Pietro d'Abano, Italian physician, philosopher and astrologer (died 1316)
 Guido Cavalcanti, Italian poet (died 1300)
 Dmitry of Pereslavl, Grand-duke of Vladimir-Suzdal (d. 1294)
 Pierre Dubois, French publicist (approximate date; died c. 1312)
 Moses de Leon, compiler of the Zohar (approximate date; died 1305)
 Giovanni Pisano, Italian sculptor (approximate date; died 1314)

 Deaths 
 February 2 – King Eric XI of Sweden
 February 8 – Robert I of Artois, French crusader (killed in battle) (born 1216)
 February 8 – William II Longespee, English crusader
 June 18 – Teresa of Portugal
 August 9 – King Eric IV of Denmark (born 1216)
 October 4 – Herman VI, Margrave of Baden
 December 13 – Frederick II, Holy Roman Emperor (born 1194)
 Leonardo of Pisa, Italian mathematician
 Matej Ninoslav, Croatian ban

 Eras and population estimates 
The population of the world in 1250 was around 400 to 416 million people.

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