February 18 » George, Duke of Clarence, convicted of treason against his older brother Edward IV of England, is executed in private at the Tower of London.
April 26 » The Pazzi family attack Lorenzo de' Medici and kill his brother Giuliano during High Mass in Florence Cathedral.
When copying data from this family tree, please include a reference to the origin: Jaco Oversluizen, "Family tree Oversluizen(Lanser)-van der Beek - de Waard-van den Hoek", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oversluizen/I8228.php : accessed June 7, 2024), "Guillaume d'ARGENTEAU (????-1478)".
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