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.
July 7 » American forces retreating from Fort Ticonderoga are defeated in the Battle of Hubbardton.
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.
September 26 » American Revolution: British troops occupy 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.
December 24 » Kiritimati, also called Christmas Island, is discovered by James Cook.
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
January 18 » James Cook is the first known European to discover the Hawaiian Islands, which he names the "Sandwich Islands".
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.
May 1 » American Revolution: The Battle of Crooked Billet begins in Hatboro, Pennsylvania.
June 18 » American Revolutionary War: British troops abandon Philadelphia.
August 21 » American Revolutionary War: British forces begin besieging the French outpost at Pondichéry.
August 26 » The first recorded ascent of Triglav, the highest mountain in Slovenia.
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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