April 28 » The Marathas defeat the Afghans in the Battle of Attock and capture the city.
May 21 » Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
June 12 » French and Indian War: Siege of Louisbourg: James Wolfe's attack at Louisbourg, Nova Scotia, commences.
June 23 » Seven Years' War: Battle of Krefeld: British, Hanoverian, and Prussian forces defeat French troops at Krefeld in Germany.
July 8 » French forces hold Fort Carillon against the British at Ticonderoga, New York.
December 25 » Halley's Comet is sighted by Johann Georg Palitzsch, confirming Edmund Halley's prediction of its passage. This was the first passage of a comet predicted ahead of time.
Day of marriage May 16, 1780
The temperature on May 16, 1780 was about 12.0 °C. Wind direction mainly northwest. Weather type: zeer betrokken. Source: KNMI
March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
August 16 » American Revolutionary War: Battle of Camden: The British defeat the Americans near Camden, South Carolina.
September 11 » American Revolutionary War: Sugarloaf Massacre: A small detachment of militia from Northampton County are attacked by Native Americans and Loyalists near Little Nescopeck Creek.
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.
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
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The Family tree De Groot De Haas publication was prepared by H.N. de Groot (contact is not possible).
When copying data from this family tree, please include a reference to the origin: H.N. de Groot, "Family tree De Groot De Haas", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-groot-de-haas/I74.php : accessed June 20, 2024), "Maria Regina de Groot (1758-????)".
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