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 marriage May 20, 1781
The temperature on May 20, 1781 was about 13.0 °C. Wind direction mainly north by west. Weather type: betrokken regen. Source: KNMI
June 3 » Jack Jouett begins his midnight ride to warn Thomas Jefferson and the Virginia legislature of an impending raid by Banastre Tarleton.
August 5 » The Battle of Dogger Bank takes place.
September 4 » Los Angeles is founded as El Pueblo de Nuestra Señora La Reina de los Ángeles (The Village of Our Lady, the Queen of the Angels) by 44 Spanish settlers.
September 6 » The Battle of Groton Heights takes place, resulting in a British victory.
September 8 » American Revolutionary War: The Battle of Eutaw Springs in South Carolina, the war's last significant battle in the Southern theater, ends in a narrow British tactical victory.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I25035.php : accessed February 8, 2026), "Tymen Weits (1753-????)".
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