- May 20 Second Battle of Lincoln fought near Lincoln, England, resulting in the defeat of Prince Louis of France by William Marshal, 2nd Earl of Pembroke
- Aug 24 Battle of South Foreland: English fleet beats France
- Sep 12 French prince Louis & English King Henry III sign peace treaty
- Sep 21 The Estonian tribal leader Lembitu of Lehola was killed in a battle against Teutonic Knights.
- Genghis Khan
Great Khan of the Mongol Empire