February 21 » The Prussian Confederation is formed.
April 9 » Christopher of Bavaria is appointed King of Denmark.
September 15 » Gilles de Rais, one of the earliest known serial killers, is taken into custody upon an accusation brought against him by Jean de Malestroit, Bishop of Nantes.
When copying data from this family tree, please include a reference to the origin: Weijerman, "Family tree Weijerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weijerman/I6066.php : accessed March 10, 2026), "Dietrich von Oldenburg (± 1389-1440)".
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