January 4 » The Netherlands, Great Britain, and France sign the Triple Alliance in an attempt to maintain the Treaty of Utrecht; Britain having signed a preliminary alliance with France on November 28 (November 17, 1716).
March 2 » The Loves of Mars and Venus is the first ballet performed in England.
March 31 » A sermon on "The Nature of the Kingdom of Christ" by Benjamin Hoadly, the Bishop of Bangor, preached in the presence of King George I of Great Britain, provokes the Bangorian Controversy.
June 24 » The Premier Grand Lodge of England is founded in London, the first Masonic Grand Lodge in the world (now the United Grand Lodge of England).
August 17 » Austro-Turkish War of 1716–18: The month-long Siege of Belgrade ends with Prince Eugene of Savoy's Austrian troops capturing the city from the Ottoman Empire.
August 22 » Spanish troops land on Sardinia.
Day of burial October 20, 1780
The temperature on October 20, 1780 was about 12.0 °C. There was 26 mm of rainWind direction mainly north west from. Weather type: regen 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.
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.
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.
November 4 » The Rebellion of Túpac Amaru II against Spanish rule in the Viceroyalty of Peru begins.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I17312.php : accessed February 10, 2026), "Klaasje Jans Pon (1717-1780)".
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