date unknown William II Canynges, English merchant (approximate date; d. 1474) Zara Yaqob, Emperor of Ethiopia (d. 1468) Rogier van der Weyden, Dutch painter (or 1400) Deaths January 4 – Nicholas Eymerich, Catalan theologian and inquisitor February 3 – John of Gaunt, 1st Duke of Lancaster (b. 1340) March 24 – Margaret, Duchess of Norfolk (b. c. 1320) July 13 – Peter Parler, German architect (b. 1330) July 17 – Queen Jadwiga of Poland (b. 1374) August 12 – Demetrius I Starshy, Prince of Trubczewsk (in battle) (b. 1327) August 15 – Ide Pedersdatter Falk, Danish noblewoman (b. 1358) August 26 – Mikhail II, Grand Prince of Tver (b. 1333) September 22 – Thomas de Mowbray, 1st Duke of Norfolk, English politician (b. 1366) October 3 – Eleanor de Bohun, English noble (b. c.1366) October 5 – Raymond of Capua, Italian Dominic friar and venerated Christian (b. 1330) November 1 – John IV, Duke of Brittany (b. 1339) date unknown Spytek z Melsztyna, Polish nobleman William le Scrope, 1st Earl of Wiltshire (b. 1350) Sultan Barquq of Egypt Trần Ngung, former ruler of Trần dynasty Vietnam (forced to commit suicide) Stephen I of Moldavia References