April 1 » In New York City, the United States House of Representatives achieves its first quorum and elects Frederick Muhlenberg of Pennsylvania as its first Speaker.
July 9 » In Versailles, the National Assembly reconstitutes itself as the National Constituent Assembly and begins preparations for a French constitution.
August 28 » William Herschel discovers a new moon of Saturn: Enceladus.
September 2 » The United States Department of the Treasury is founded.
September 24 » The United States Congress passes the Judiciary Act, creating the office of the Attorney General and federal judiciary system and ordering the composition of the Supreme Court.
October 3 » George Washington proclaims a Thanksgiving Day for that year.
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/P17578.php : accessed January 25, 2026), "John AVERY (1705-1789)".
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