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.
May 5 » In France, the Estates-General convenes for the first time since 1614.
July 10 » Alexander Mackenzie reaches the Mackenzie River delta.
September 22 » The office of United States Postmaster General is established.
October 2 » The United States Bill of Rights is sent to the various States for ratification.
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: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I2219.php : accessed September 25, 2026), "Petrus Joannes van Praet (1719-1789)".
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