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.
March 1 » The Unitas Fratrum is established in the village of Kunvald, on the Bohemian-Moravian borderland. It is to date the second oldest Protestant denomination.
August 14 » Publication of the Mainz Psalter, the first book to feature a printed date of publication and printed colophon
When copying data from this family tree, please include a reference to the origin: T. Kuipers, "Genealogy Kuipers", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_kuipers/I63916.php : accessed November 10, 2024), "Margaretha van de Pfalz Mosbach (1432-1457)".
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