January 15 » American Revolutionary War: New Connecticut (present-day Vermont) declares its independence.
March 8 » Regiments from Ansbach and Bayreuth, sent to support Great Britain in the American Revolutionary War, mutiny in the town of Ochsenfurt.
June 13 » American Revolutionary War: Gilbert du Motier, Marquis de Lafayette lands near Charleston, South Carolina, in order to help the Continental Congress to train its army.
August 22 » British forces abandon the Siege of Fort Stanwix after hearing rumors of Continental Army reinforcements.
September 27 » American Revolution: Lancaster, Pennsylvania becomes the capital of the United States for one day after Congress evacuates Philadelphia.
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 March 18, 1778
The temperature on March 18, 1778 was about 4.0 °C. Wind direction mainly southwest. Weather type: betrokken. Source: KNMI
February 6 » New York became the third state to ratify the Articles of Confederation.
February 14 » The United States flag is formally recognized by a foreign naval vessel for the first time, when French Admiral Toussaint-Guillaume Picquet de la Motte renders a nine gun salute to USSRanger, commanded by John Paul Jones.
July 4 » American Revolutionary War: U.S. forces under George Clark capture Kaskaskia during the Illinois campaign.
July 10 » American Revolution: Louis XVI of France declares war on the Kingdom of Great Britain.
August 3 » The theatre La Scala in Milan is inaugurated with the première of Antonio Salieri's Europa riconosciuta.
August 29 » American Revolutionary War: British and American forces battle indecisively at the Battle of Rhode Island.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P21950.php : accessed January 6, 2026), "Mary Hale (1777-1778)".
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