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 August 20, 1781
The temperature on August 20, 1781 was about 14.0 °C. There was 7 mm of rainWind direction mainly north west from. Weather type: regen geheel betrokken regen. Source: KNMI
January 5 » American Revolutionary War: Richmond, Virginia, is burned by British naval forces led by Benedict Arnold.
February 3 » American Revolutionary War: British forces seize the Dutch-owned Caribbean island Sint Eustatius.
March 15 » American Revolutionary War: Battle of Guilford Court House: Near present-day Greensboro, North Carolina, 1,900 British troops under General Charles Cornwallis defeat a mixed American force numbering 4,400 in a Pyrrhic victory.
September 5 » Battle of the Chesapeake in the American Revolutionary War: The British Navy is repelled by the French Navy, contributing to the British surrender at Yorktown.
September 6 » The Battle of Groton Heights takes place, resulting in a British victory.
October 19 » American Revolutionary War: The siege of Yorktown comes to an end.
When copying data from this family tree, please include a reference to the origin: W. van Soom, "Family tree Van Soom", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-soom/I57774.php : accessed February 1, 2026), "Catharina Mercelis (1753-????)".
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