Events

• Glendalough monastery, Wicklow Ireland destroyed.
• Construction of the Stecknitz Canal as one of the oldest artificial waterways of the world.
• Timur arrived on the bank of the Indus River, and proceeded to sack Delhi.
• The Teutonic Order occupies the island of Gotland.

Births

• August 19 - Marqués de Santillana, Spanish poet (d. 1458)
• Johann Gutenberg, inventor credited with mass printing.

Deaths

• January 31 - Emperor Suko of Japan (b. 1334)
• June 24 - Hongwu Emperor of China, founder of the Ming Dynasty (b. 1328)
• July 20 - Roger Mortimer, 4th Earl of March
• Jeong Dojeon, Korean Neo-Confucian ideologue.
• John of Gaunt third son of Edward III of England