March 14 » American Revolutionary War: Spanish forces capture Fort Charlotte in Mobile, Alabama, the last British frontier post capable of threatening New Orleans.
September 21 » American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
October 16 » American Revolutionary War: The British-led Royalton raid is the last Native American raid on New England.
October 16 » The Great Hurricane of 1780 finishes after its sixth day, killing between 20,000 and 24,000 residents of the Lesser Antilles.
November 9 » American Revolutionary War: In the Battle of Fishdam Ford a force of British and Loyalist troops fail in a surprise attack against the South Carolina Patriot militia under Brigadier General Thomas Sumter.
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: Reid McMahon, "McMahon/Trahan Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/mcmahon-trahan-family-tree/I1541.php : accessed August 5, 2025), "Joseph Hebert (1711-1780)".
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