January 8 » The premiere of George Frideric Handel's Ariodante takes place at the Royal Opera House, Covent Garden.
March 10 » An agreement between Nader Shah and Russia is signed near Ganja, Azerbaijan and Russian troops are withdrawn from occupied territories.
July 11 » Mathematical calculations suggest that it is on this day that dwarf planet Pluto moved inside the orbit of Neptune for the last time before 1979.
August 5 » Freedom of the press: New York Weekly Journal writer John Peter Zenger is acquitted of seditious libel against the royal governor of New York, on the basis that what he had published was true.
Day of death July 17, 1780
The temperature on July 17, 1780 was about 16.0 °C. Wind direction mainly south east. Weather type: zeer betrokken. Source: KNMI
January 16 » American Revolutionary War: Battle of Cape St. Vincent.
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 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.
November 9 » American Revolutionary War: In the Battle of Fishdam Ford a force of British and Loyalist troops fail in a surprise attack against the South Carolina Patriot militia under Brigadier General Thomas Sumter.
When copying data from this family tree, please include a reference to the origin: Scott Jeffrey, "Jeffro Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/jeffro-family-tree/I322374408831.php : accessed May 9, 2025), "Mary Marston (1710-1780)".
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