January 11 » Ching-Thang Khomba is crowned King of Manipur.
March 3 » American Revolutionary War: The Continental Army is routed at the Battle of Brier Creek near Savannah, Georgia.
June 16 » Spain declares war on the Kingdom of Great Britain, and the Great Siege of Gibraltar begins.
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.
September 16 » American Revolutionary War: The Franco-American Siege of Savannah begins.
October 18 » American Revolutionary War: The Franco-American Siege of Savannah is lifted.
Day of death September 18, 1780
The temperature on September 18, 1780 was about 17.0 °C. Wind direction mainly south-southeast. Weather type: 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.
April 16 » Franz Friedrich Wilhelm von Fürstenberg founds the University of Münster.
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
May 19 » New England's Dark Day, an unusual darkening of the day sky, was observed over the New England states and parts of Canada.
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).
When copying data from this family tree, please include a reference to the origin: Dingeman Hendrikse, "Purvis Farquhar", database, Genealogy Online (https://www.genealogieonline.nl/purvis-farquehar/R19124.php : accessed February 25, 2026), "Abraham Kaashoek (1779-1780)".
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