November 18 » A seawall at the Zuiderzee dike in the Netherlands breaks, flooding 72 villages and killing about 10,000 people. This event will be known as St Elizabeth's flood.
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: Olaf Andersen, "Andersen family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-andersen/I7037.php : accessed February 3, 2026), "Jan van der Weteringh (1421-1479)".
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