January 19 » Bolle Willum Luxdorph records in his diary that a mail bomb, possibly the world's first, has severely injured the Danish Colonel Poulsen, residing at Børglum Abbey.
January 19 » John Wilkes is expelled from the British House of Commons for seditious libel.
February 15 » The city of St. Louis is established in Spanish Louisiana (now in Missouri, USA).
September 7 » Election of Stanisław August Poniatowski as the last ruler of the Polish–Lithuanian Commonwealth.
Day of burial March 22, 1780
The temperature on March 22, 1780 was about 4.0 °C. Wind direction mainly northwest. Weather type: omtrent helder. Source: KNMI
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.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 16 » American Revolutionary War: The British-led Royalton raid is the last Native American raid on New England.
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: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I2293.php : accessed September 29, 2026), "Casper Gorter (1742-1780)".
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