June 1 » The court-martial for malfeasance of Benedict Arnold, a general in the Continental Army during the American Revolutionary War, begins.
July 6 » Battle of Grenada: The French defeat British naval forces during the American Revolutionary War.
July 16 » American Revolutionary War: Light infantry of the Continental Army seize a fortified British Army position in a midnight bayonet attack at the Battle of Stony Point.
September 16 » American Revolutionary War: The Franco-American Siege of Savannah begins.
September 23 » American Revolution: John Paul Jones, naval commander of the United States, on board the USSBonhomme Richard, wins the Battle of Flamborough Head.
October 18 » American Revolutionary War: The Franco-American Siege of Savannah is lifted.
Day of death September 24, 1780
The temperature on September 24, 1780 was about 12.0 °C. Wind direction mainly south east. Weather type: zeer betrokken. Source: KNMI
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.
May 29 » American Revolutionary War: At the Battle of Waxhaws, the British continue attacking after the Continentals lay down their arms, killing 113 and critically wounding all but 53 that remained.
August 22 » James Cook's ship HMSResolution returns to England (Cook having been killed on Hawaii during the voyage).
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.
When copying data from this family tree, please include a reference to the origin: Gilbert Pene, "Arbre Pene", database, Genealogy Online (https://www.genealogieonline.nl/arbre-pene/I2161.php : accessed March 6, 2026), "Marie SEMPE (1779-1780)".
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