Events

• June 25 – Pope Innocent IV succeeds Pope Celestine IV as the 180th pope.

• June 26 – Battle of Köse Dag: The Mongols defeat the Seljuk Turks of Rum.

• Castile captures the city of Murcia from the Moors.

• The city of Brno is founded in what is now Czech Republic.

Births

• June 28 – Emperor Go-Fukakusa of Japan (d. 1304)

• September 2 – Gilbert de Clare, 7th Earl of Hertford, English politician (d. 1295)

• James II of Majorca (d. 1311)

• Valdemar I of Sweden (d. 1302)

Deaths

• January – Richard Mor de Burgh

• May 12 – Hubert de Burgh, 1st Earl of Kent

Rulers

• Aragon – James I, King of Aragon and count of Barcelona (reigned from 1213 to 1276)

• Castile – Ferdinand III, the Saint King of Castile and Leon (reigned from 1217 to 1252)