April 27 » American Revolutionary War: The Battle of Ridgefield: A British invasion force engages and defeats Continental Army regulars and militia irregulars at Ridgefield, Connecticut.
July 7 » American forces retreating from Fort Ticonderoga are defeated in the Battle of Hubbardton.
August 6 » American Revolutionary War: The bloody Battle of Oriskany prevents American relief of the Siege of Fort Stanwix.
September 3 » American Revolutionary War: During the Battle of Cooch's Bridge, the Flag of the United States is flown in battle for the first time.
October 7 » American Revolutionary War: The Americans defeat the British in the Second Battle of Saratoga, also known as the Battle of Bemis Heights.
December 17 » American Revolution: France formally recognizes the United States.
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
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 12 » American Revolutionary War: In the largest defeat of the Continental Army, Charleston, South Carolina is taken by British forces.
August 22 » James Cook's ship HMSResolution returns to England (Cook having been killed on Hawaii during the voyage).
September 23 » American Revolution: British Major John André is arrested as a spy by American soldiers exposing Benedict Arnold's change of sides.
October 2 » American Revolutionary War: John André, a British Army officer, is hanged as a spy by the Continental Army.
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 5, 2026), "Marie Jeanne DEBLAYE (1777-1780)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.