February 20 – Pope Martin V (b. 1368) April 1 – Nuno Álvares Pereira, Portuguese general and religious figure April 5 – Bernard I, Margrave of Baden-Baden (b. 1364) April 19 – Adolph III, Count of Waldeck (b. 1362) May 30 – Joan of Arc, French soldier and saint (b. c. 1412) September 6 – Demetrios Laskaris Leontares, Byzantine soldier and statesman December 8 – Hedwig Jagiellon, Polish and Lithuanian princess (b. 1408) date unknown Makhdoom Ali Mahimi, Indian Sufi mystic Stanisław of Skarbimierz, Polish theologian (b. 1360) Violant of Bar, queen regent of Aragon (b. 1365) References