Events

• February 22 - Martin IV becomes Pope
• August 15 - Kamikaze storm wipes out invading Mongol army in the coast of Japan
• The Ottoman Empire was founded as an autonomous state (Beylik) in present day Bilecik, Turkey, by Osman Bey.

Births

• Henry Plantagenet, 3rd Earl of Leicester, English nobleman (d. 1345)
• Rudolph I of Bohemia (=Rudolph III of Austria)

Deaths