May 4 » Religious reformers John Wycliffe and Jan Hus are condemned as heretics at the Council of Constance.
July 6 » Jan Hus is condemned by the assembly of the council in the cathedral as a heretic and sentenced to be burned at the stake. (See Deaths section.)
August 2 » Thomas Grey is executed for participating in the Southampton Plot.
August 21 » Henry the Navigator leads Portuguese forces to victory over the Marinids at the Battle of Ceuta.
October 25 » Hundred Years' War: Henry V of England, with his lightly armoured infantry and archers, defeats the heavily armoured French cavalry in the Battle of Agincourt.
March 2 » Skanderbeg organizes a group of Albanian nobles to form the League of Lezhë.
June 29 » Skanderbeg defeats an Ottoman invasion force at Torvioll.
August 26 » Battle of St. Jakob an der Birs: A vastly outnumbered force of Swiss Confederates is defeated by the Dauphin Louis (future Louis XI of France) and his army of 'Armagnacs' near Basel.
November 10 » Battle of Varna: The crusading forces of King Władysław III of Poland (aka Ulaszlo I of Hungary and Władysław III of Varna) are defeated by the Turks under Sultan Murad II and Władysław is killed.
When copying data from this family tree, please include a reference to the origin: William H Davis III, "Davis Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/davis-family-tree/P6952.php : accessed April 30, 2025), "Margarethe Von Cleves (1415-1444)".
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