January 15 » American Revolutionary War: New Connecticut (present-day Vermont) declares its independence.
April 13 » American Revolutionary War: American forces are ambushed and defeated in the Battle of Bound Brook, New Jersey.
July 31 » The U.S. Second Continental Congress passes a resolution that the services of Gilbert du Motier, Marquis de Lafayette "be accepted, and that, in consideration of his zeal, illustrious family and connexions, he have the rank and commission of major-general of the United States."
August 6 » American Revolutionary War: The bloody Battle of Oriskany prevents American relief of the Siege of Fort Stanwix.
October 22 » American Revolutionary War: American defenders of Fort Mercer on the Delaware River repulse repeated Hessian attacks in the Battle of Red Bank.
December 18 » The United States celebrates its first Thanksgiving, marking the recent victory by the American rebels over British General John Burgoyne at Saratoga in October.
Day of death January 20, 1780
The temperature on January 20, 1780 was about 3.0 °C. There was 44 mm of rainWind direction mainly east-northeast. Weather type: zeer betrokken. Source: KNMI
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.
June 23 » American Revolution: Battle of Springfield fought in and around Springfield, New Jersey (including Short Hills, formerly of Springfield, now of Millburn Township).
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.
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: Christophe, "Arbre Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/arbre-chatelain/I2860.php : accessed October 6, 2026), "Marie Jeanne DEBLAYE (1777-1780)".
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