March 18 » The first modern republic in Germany, the Republic of Mainz, is declared by Andreas Joseph Hofmann.
July 9 » The Act Against Slavery in Upper Canada bans the importation of slaves and will free those who are born into slavery after the passage of the Act at 25 years of age.
September 18 » The first cornerstone of the United States Capitol is laid by George Washington.
October 16 » French Revolution: Queen Marie Antoinette is executed.
November 3 » French playwright, journalist and feminist Olympe de Gouges is guillotined.
December 23 » The Battle of Savenay: A decisive defeat of the royalist counter-revolutionaries in War in the Vendée during the French Revolution.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I10354.php : accessed May 2, 2025), "Johan Wilhelm Christiaan Geyser (1793-????)".
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