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.
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).
July 17 » King George I of Great Britain sails down the River Thames with a barge of 50 musicians, where George Frideric Handel's Water Music is premiered.
August 22 » Spanish troops land on Sardinia.
September 29 » An earthquake strikes Antigua Guatemala, destroying much of the city's architecture.
Day of death November 17, 1781
The temperature on November 17, 1781 was about 9.0 °C. Wind direction mainly south-southwest. Weather type: omtrent helder. Source: KNMI
January 1 » American Revolutionary War: One thousand five hundred soldiers of the 6th Pennsylvania Regiment under General Anthony Wayne's command rebel against the Continental Army's winter camp in Morristown, New Jersey in the Pennsylvania Line Mutiny of 1781.
January 5 » American Revolutionary War: Richmond, Virginia, is burned by British naval forces led by Benedict Arnold.
January 6 » In the Battle of Jersey, the British defeat the last attempt by France to invade Jersey in the Channel Islands.
April 29 » American Revolutionary War: British and French ships clash in the Battle of Fort Royal off the coast of Martinique.
August 24 » American Revolutionary War: A small force of Pennsylvania militia is ambushed and overwhelmed by an American Indian group, which forces George Rogers Clark to abandon his attempt to attack Detroit.
September 28 » American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I11096.php : accessed December 26, 2025), "Jacobus Leon (1717-1781)".
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