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.
August 7 » Battle of Guinegate, French troops of King Louis XI were defeated by the Burgundians led by Archduke Maximilian of Habsburg.
September 4 » The Treaty of Alcáçovas is signed by the Catholic Monarchs of Castile and Aragon on one side and Afonso V and his son, Prince John of Portugal.
When copying data from this family tree, please include a reference to the origin: Elizabeth Cromer, "Family tree Cromer/Russell/Buck/Pratt", database, Genealogy Online (https://www.genealogieonline.nl/family-tree-cromer-russell-buck-pratt/P12172.php : accessed May 24, 2024), "Juan II "El Magno" "Sin Fe" de Trastamara (1398-1479)".
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