June 26 » Western Schism: The Roman Catholic Church is led into a double schism as Petros Philargos is crowned Pope Alexander V after the Council of Pisa, joining Pope Gregory XII in Rome and Pope Benedict XII in Avignon.
September 23 » The Battle of Kherlen is the second significant victory over Ming dynasty China by the Mongols since 1368.
When copying data from this family tree, please include a reference to the origin: Cyril Cales, "Généalogie Cales", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-cales/I33470.php : accessed June 21, 2024), "Guillaume 1er van Berchem van Oistmal (????-1409)".
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