January 11 » Ching-Thang Khomba is crowned King of Manipur.
February 14 » American Revolutionary War: The Battle of Kettle Creek is fought in Georgia.
February 14 » James Cook is killed by Native Hawaiians near Kealakekua on the Island of Hawaii.
March 3 » American Revolutionary War: The Continental Army is routed at the Battle of Brier Creek near Savannah, Georgia.
August 13 » American Revolutionary War: The Royal Navy defeats the Penobscot Expedition with the most significant loss of United States naval forces prior to the attack on Pearl Harbor.
October 18 » American Revolutionary War: The Franco-American Siege of Savannah is lifted.
Day of death May 9, 1780
The temperature on May 9, 1780 was about 17.0 °C. Wind direction mainly southwest. 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".
May 13 » The Cumberland Compact is signed by leaders of the settlers in the Cumberland River area of what would become the U.S. state of Tennessee, providing for democratic government and a formal system of justice.
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.
June 23 » American Revolution: Battle of Springfield fought in and around Springfield, New Jersey (including Short Hills, formerly of Springfield, now of Millburn Township).
December 14 » Founding Father Alexander Hamilton marries Elizabeth Schuyler Hamilton at the Schuyler Mansion in Albany, New York
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P26499.php : accessed January 2, 2026), "Mary Webb (1779-1780)".
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