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: Derk Sherren, "Sherren Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/sherren-family-tree/I210161175897.php : accessed May 3, 2025), "Mary (Duchess of Burgundy) (1457-1482)".
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