January 16 » American Revolutionary War: Battle of Cape St. Vincent.
March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
May 13 » The Cumberland Compact is signed by leaders of the settlers in the Cumberland River area of what would become the U.S. state of Tennessee, providing for democratic government and a formal system of justice.
September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
November 5 » French-American forces under Colonel LaBalme are defeated by Miami Chief Little Turtle.
Christening day September 23, 1781
The temperature on September 23, 1781 was about 14.0 °C. There was 26 mm of rainWind direction mainly north-northwest. Weather type: regen hagel . 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 1 » The Articles of Confederation goes into effect in the United States.
August 24 » American Revolutionary War: A small force of Pennsylvania militia is ambushed and overwhelmed by an American Indian group, which forces George Rogers Clark to abandon his attempt to attack Detroit.
October 20 » The Patent of Toleration, providing limited freedom of worship, is approved in Austria.
November 29 » The crew of the British slave ship Zong murders 133 Africans by dumping them into the sea to claim insurance.
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/I14684.php : accessed October 6, 2026), "Sjurtsje Michiels (1780-< 1811)".
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