of Bohemia (b. 1361) September 10 – John the Fearless, Duke of Burgundy (assassinated) (b. 1371) December 17 – William Gascoigne, Chief Justice of England December 22 – Antipope John XXIII date unknown Je Tsongkhapa, founder of the Geluk school of Tibetan Buddhism (b. 1357) Stella de’ Tolomei, Italian courtier References