February 12 » English forces under Sir John Fastolf defend a supply convoy carrying rations to the army besieging Orléans in the Battle of the Herrings.
April 29 » Joan of Arc arrives to relieve the Siege of Orléans.
May 8 » Joan of Arc lifts the Siege of Orléans, turning the tide of the Hundred Years' War.
June 18 » French forces under the leadership of Joan of Arc defeat the main English army under Sir John Fastolf at the Battle of Patay. This turns the tide of the Hundred Years' War.
November 4 » Armagnac–Burgundian Civil War: Joan of Arc liberates Saint-Pierre-le-Moûtier.
November 24 » Hundred Years' War: Joan of Arc unsuccessfully besieges La Charité.
January 8 » The papal bull Romanus Pontifex awards the Kingdom of Portugal exclusive trade and colonization rights to all of Africa south of Cape Bojador.
February 4 » In the Thirteen Years' War, the Secret Council of the Prussian Confederation sends a formal act of disobedience to the Grand Master.
March 6 » Thirteen Years' War: Delegates of the Prussian Confederation pledge allegiance to King Casimir IV of Poland who agrees to commit his forces in aiding the Confederation's struggle for independence from the Teutonic Knights.
April 9 » The Treaty of Lodi is signed, establishing a balance of power among northern Italian city-states for almost 50 years.
September 18 » Thirteen Years' War: In the Battle of Chojnice, the Polish army is defeated by the Teutonic knights.
When copying data from this family tree, please include a reference to the origin: Susan L Mort, "Mort Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/mort-family-tree/P2206.php : accessed May 13, 2025), "Magdalene VonBrandenburg (1412-1454)".
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