- Jun 12 John FitzAlan, 14th Earl of Arundel, English military leader (b. 1408)
- Sep 14 John Plantagenet, 1st Duke of Bedford, English prince, general (Hundred Years' War) and statesman, dies at 46
- Sep 24 Isabeau of Bavaria, Queen and wife of Charles VI of France, who ruled during her husband's periods of insanity, dies at about 65