December 8 » The first battle between the forces of Švitrigaila and Sigismund Kęstutaitis is fought near the town of Oszmiana (Ashmyany), launching the most active phase of the Lithuanian Civil War.
January 5 » Battle of Nancy: Charles the Bold is defeated and killed in a conflict with René II, Duke of Lorraine; the Burgundy subsequently becomes part of France.
October 7 » Uppsala University is inaugurated after receiving its corporate rights from Pope Sixtus IV in February the same year.
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/I6245.php : accessed February 15, 2026), "Ursula van Razun (± 1400-1477)".
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