On This Day

Year in History

Explore the major historical events, famous births, and notable deaths that occurred in the year 1243. This year saw 2 significant events.

13rd Century1240s

1243 Timeline

  1. Sinibaldo dei Fieschi elected as Pope Innocentius IV

    Pope Innocent IV (Latin: Innocentius IV; c. 1195 – 7 December 1254), born Sinibaldo Fieschi, was head of the Catholic Church and ruler of the Papal States from 25 June 1243 to his death in...

  2. Battle of Köse Dağ: Mongols under Baiju defeat Seljuk army of Sultan Kaykhusraw II during Mongol attacks in north east T

    Battle of Köse Dağ: Mongols under Baiju defeat Seljuk army of Sultan Kaykhusraw II during Mongol attacks in north east Turkey

Events

Frequently Asked Questions

What happened in 1243?
In 1243, there were 2 significant historical events. Notable events include Sinibaldo dei Fieschi elected as Pope Innocentius IV, Battle of Köse Dağ: Mongols under Baiju defeat Seljuk army of Sultan Kaykhusraw II during Mongol attacks in north east T.

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