January 16 » American Revolutionary War: Battle of Cape St. Vincent.
March 17 » American Revolution: George Washington grants the Continental Army a holiday "as an act of solidarity with the Irish in their fight for independence".
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.
November 4 » The Rebellion of Túpac Amaru II against Spanish rule in the Viceroyalty of Peru begins.
When copying data from this family tree, please include a reference to the origin: Yves Gob, "Family tree Gob", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gob/I29367.php : accessed January 22, 2026), "Marie-Catherine CHEFNEUX".
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