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
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
May 29 » American Revolutionary War: At the Battle of Waxhaws, the British continue attacking after the Continentals lay down their arms, killing 113 and critically wounding all but 53 that remained.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 7 » American Revolutionary War: American militia defeat royalist irregulars led by British major Patrick Ferguson in South Carolina.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
October 16 » American Revolutionary War: The British-led Royalton raid is the last Native American raid on New England.
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 January 29, 2026), "Joanna Cady (1718-1780)".
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