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.
May 13 » War of the Bavarian Succession: Russian and French mediators at the Congress of Teschen negotiate an end to the war. In the agreement Austria receives the part of its territory that was taken from it (the Innviertel).
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 23 » American Revolution: John Paul Jones, naval commander of the United States, on board the USSBonhomme Richard, wins the Battle of Flamborough Head.
Christening day January 30, 1780
The temperature on January 30, 1780 was about -6.0 °C. Wind direction mainly east-northeast. Weather type: zeer 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.
May 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I11107.php : accessed February 14, 2026), "Ybeltje Jelles (1779-< 1781)".
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