February 17 » In Sweden February 17 is followed by March 1 as the country moves from the Julian calendar to the Gregorian calendar.
May 1 » Publication of Species Plantarum by Linnaeus, and the formal start date of plant taxonomy adopted by the International Code of Botanical Nomenclature.
Day of death July 17, 1793
The temperature on July 17, 1793 was about 24.0 °C. Wind direction mainly south-southwest. Weather type: omtrent helder. Source: KNMI
June 2 » French Revolution: François Hanriot, leader of the Parisian National Guard, arrests 22 Girondists selected by Jean-Paul Marat, setting the stage for the Reign of Terror.
June 10 » The Jardin des Plantes museum opens in Paris. A year later, it becomes the first public zoo.
September 18 » The first cornerstone of the United States Capitol is laid by George Washington.
October 12 » The cornerstone of Old East, the oldest state university building in the United States, is laid at the University of North Carolina at Chapel Hill.
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: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I486972.php : accessed February 20, 2026), "Elijas de Heer (1753-1793)".
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