July 26 » Wars of the Roses: The Battle of Edgecote Moor, pitting the forces of Richard Neville, 16th Earl of Warwick against those of Edward IV of England, takes place.
August 1 » Louis XI of France founds the chivalric order called the Order of Saint Michael in Amboise.
October 19 » Ferdinand II of Aragon marries Isabella I of Castile, a marriage that paves the way to the unification of Aragon and Castile into a single country, Spain.
When copying data from this family tree, please include a reference to the origin: Peter John Oswald, "Pop Oswald Tree", database, Genealogy Online (https://www.genealogieonline.nl/pop-oswald-tree/P37801.php : accessed August 3, 2025), "Wilhelm Ii of HESSE (1469-1509)".
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