February 22 » War of the Austrian Succession: The Battle of Toulon causes several Royal Navy captains to be court-martialed, and the Articles of War to be amended.
July 4 » The Treaty of Lancaster, in which the Iroquois cede lands between the Allegheny Mountains and the Ohio River to the British colonies, was signed in Lancaster, Pennsylvania.
September 30 » War of the Austrian Succession: France and Spain defeat Sardinia at the Battle of Madonna dell'Olmo, but soon have to withdraw from Sardinia anyway.
Day of burial November 14, 1780
The temperature on November 14, 1780 was about 8.0 °C. There was 44 mm of rainWind direction mainly northwest. Weather type: zeer betrokken. Source: KNMI
January 16 » American Revolutionary War: Battle of Cape St. Vincent.
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
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.
November 9 » American Revolutionary War: In the Battle of Fishdam Ford a force of British and Loyalist troops fail in a surprise attack against the South Carolina Patriot militia under Brigadier General Thomas Sumter.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I26088.php : accessed February 15, 2026), "Geertje Jans Zoon (1744-1780)".
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