January 26 » The 8.7–9.2 Mw Cascadia earthquake takes place off the west coast of North America, as evidenced by Japanese records.
February 27 » The island of New Britain is discovered by Europeans.
February 28 » Today is followed by March 1 in Sweden, thus creating the Swedish calendar.
March 1 » Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian calendar on this date in 1753.
Day of death April 11, 1780
The temperature on April 11, 1780 was about 5.0 °C. There was 70 mm of rainWind direction mainly south east. Weather type: betrokken regen. 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".
April 16 » Franz Friedrich Wilhelm von Fürstenberg founds the University of Münster.
September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
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: KM, "Km&be", database, Genealogy Online (https://www.genealogieonline.nl/morin-and-einfeldt-family-tree/I422304695312.php : accessed May 12, 2025), "Mathieu Pilon (1700-1780)".
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