January 11 » William Herschel discovers Titania and Oberon, two moons of Uranus.
July 13 » The Continental Congress enacts the Northwest Ordinance establishing governing rules for the Northwest Territory. It also establishes procedures for the admission of new states and limits the expansion of slavery.
September 17 » The United States Constitution is signed in Philadelphia.
September 28 » The Congress of the Confederation votes to send the newly-written United States Constitution to the state legislatures for approval.
October 1 » Russians under Alexander Suvorov defeat the Turks at Kinburn.
October 29 » Mozart's opera Don Giovanni receives its first performance in Prague.
Day of death May 28, 1789
The temperature on May 28, 1789 was about 14.0 °C. There was 22 mm of rainWind direction mainly south east. Weather type: zeer betrokken. Source: KNMI
April 21 » George Washington's reception at Trenton is hosted by the Ladies of Trenton as he journeys to New York City for his first inauguration.
July 11 » Jacques Necker is dismissed as France's Finance Minister sparking the Storming of the Bastille.
July 14 » Alexander Mackenzie finally completes his journey to the mouth of the great river he hoped would take him to the Pacific, but which turns out to flow into the Arctic Ocean. Later named after him, the Mackenzie is the second-longest river system in North America.
July 15 » Gilbert du Motier, Marquis de Lafayette, is named by acclamation Colonel General of the new National Guard of Paris.
September 22 » The office of United States Postmaster General is established.
September 26 » George Washington appoints Thomas Jefferson the first United States Secretary of State.
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/I14374.php : accessed September 24, 2026), "Petrus Joannes Langbeen (1787-1789)".
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