February 14 » James Cook is killed by Native Hawaiians near Kealakekua on the Island of Hawaii.
June 1 » The court-martial for malfeasance of Benedict Arnold, a general in the Continental Army during the American Revolutionary War, begins.
June 16 » Spain declares war on the Kingdom of Great Britain, and the Great Siege of Gibraltar begins.
July 6 » Battle of Grenada: The French defeat British naval forces during the American Revolutionary War.
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 23 » American Revolution: John Paul Jones, naval commander of the United States, on board the USSBonhomme Richard, wins the Battle of Flamborough Head.
Day of death August 9, 1780
The temperature on August 9, 1780 was about 25.0 °C. Wind direction mainly east. Weather type: omtrent helder. Source: KNMI
April 16 » Franz Friedrich Wilhelm von Fürstenberg founds the University of Münster.
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.
August 16 » American Revolutionary War: Battle of Camden: The British defeat the Americans near Camden, South Carolina.
October 10 » The Great Hurricane of 1780 kills 20,000–30,000 in the Caribbean.
October 16 » American Revolutionary War: The British-led Royalton raid is the last Native American raid on New England.
October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.
When copying data from this family tree, please include a reference to the origin: Ronald de Bode, "Family tree De Bode", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-bode/I3900.php : accessed February 20, 2026), "Helena van Vliet (-1780)".
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