- Jan 5 John Montacute, 3rd Earl of Salisbury, English politician (executed) (b. ca. 1350)
- Jan 7 Thomas Holland, 1st Duke of Surrey, English politician (b. 1374)
- Jan 16 John Holland, 1st Duke of Exeter, English politician, executed at around 47 or 48 after the failure of the Epiphany Rising conspiracy against King Henry IV
Richard II
Feb 14 Richard II, king of England (1377-99), murdered at age 33 at Pontefract Castle
Richard II
- Mar 24 Florens Radewijns, Dutch priest/leader Modern Devotion, dies
Geoffrey Chaucer
Oct 25 Geoffrey Chaucer 'Father of English literature', English poet and author of "The Canterbury Tales", dies at 56 or 57
Geoffrey Chaucer