This page concerns 1337, the year. 1337 is also used as a variant spelling of leet.

Events

• March 17 - The Duchy of Cornwall created when Edward the Black Prince is made the first Duke
• The titles of Duke and Duchess created.
• Beginning of the Hundred Years War between France and England

Births

• Chong Mong-Chu, Goryeo diplomat and poet.
• Jean Froissart, French historian and courtier.

Deaths

• Angelo da Clareno, Franciscan