May 15 » James Puckle, a London lawyer, patents the world's first machine gun.
June 26 » Alexei Petrovich, Tsarevich of Russia, Peter the Great's son, mysteriously dies after being sentenced to death by his father for plotting against him.
July 21 » The Treaty of Passarowitz between the Ottoman Empire, Austria and the Republic of Venice is signed.
November 22 » Off the coast of North Carolina, British pirate Edward Teach (best known as "Blackbeard") is killed in battle with a boarding party led by Royal Navy Lieutenant Robert Maynard.
November 30 » King Charles XII of Sweden dies during a siege of the fortress of Fredriksten in Norway.
December 17 » War of the Quadruple Alliance: Great Britain declares war on Spain.
Day of death October 23, 1780
The temperature on October 23, 1780 was about 12.0 °C. Wind direction mainly west. Weather type: zeer betrokken. Source: KNMI
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".
May 19 » New England's Dark Day, an unusual darkening of the day sky, was observed over the New England states and parts of Canada.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
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 5 » French-American forces under Colonel LaBalme are defeated by Miami Chief Little Turtle.
When copying data from this family tree, please include a reference to the origin: Keith Mann Spencer, "Mann Spencer Tree", database, Genealogy Online (https://www.genealogieonline.nl/mann-spencer-tree/P1133.php : accessed April 30, 2025), "Joanna Cady (1718-1780)".
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