May 12 » Maria Theresa of Austria is crowned Queen of Bohemia after defeating her rival, Charles VII, Holy Roman Emperor.
May 19 » Jean-Pierre Christin developed the centigrade temperature scale.
June 27 » In the Battle of Dettingen, George II becomes the last reigning British monarch to participate in a battle.
September 13 » Great Britain, Austria and the Kingdom of Sardinia sign the Treaty of Worms.
Day of marriage May 14, 1780
The temperature on May 14, 1780 was about 13.0 °C. There was 22 mm of rainWind direction mainly southwest. Weather type: zeer betrokken regen. Source: KNMI
May 13 » The Cumberland Compact is signed by leaders of the settlers in the Cumberland River area of what would become the U.S. state of Tennessee, providing for democratic government and a formal system of justice.
August 16 » American Revolutionary War: Battle of Camden: The British defeat the Americans near Camden, South Carolina.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
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: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I9174.php : accessed January 24, 2026), "Henricus Huibers (1743-????)".
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