February 3 » Spain–United States relations are first established.
March 15 » In an emotional speech in Newburgh, New York, George Washington asks his officers not to support the Newburgh Conspiracy. The plea is successful and the threatened coup d'état never takes place.
August 4 » Mount Asama erupts in Japan, killing about 1,400 people. The eruption causes a famine, which results in an additional 20,000 deaths.
November 21 » In Paris, Jean-François Pilâtre de Rozier and François Laurent d'Arlandes, make the first untethered hot air balloon flight.
November 25 » American Revolutionary War: The last British troops leave New York City three months after the signing of the Treaty of Paris.
December 23 » George Washington resigns as commander-in-chief of the Continental Army at the Maryland State House in Annapolis, Maryland.
Christening day September 25, 1791
The temperature on September 25, 1791 was about 11.0 °C. Wind direction mainly northeast. Weather type: helder. Source: KNMI
January 25 » The British Parliament passes the Constitutional Act of 1791 and splits the old Province of Quebec into Upper Canada and Lower Canada.
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
July 17 » Members of the French National Guard under the command of General Lafayette open fire on a crowd of radical Jacobins at the Champ de Mars, Paris, during the French Revolution, killing scores of people.
September 14 » The Papal States lose Avignon to Revolutionary France.
October 1 » First session of the French Legislative Assembly.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I17319.php : accessed October 10, 2026), "Lutske Pieters (1783-????)".
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