June 21 » In Montreal in New France, a slave known by the French name of Marie-Joseph Angélique is put to death, having been convicted of setting the fire that destroyed much of the city.
Day of marriage December 20, 1755
The temperature on December 20, 1755 was about 6.0 °C. Wind direction mainly south. Weather type: geheel betrokken vochtig. Source: KNMI
January 25 » Moscow University is established on Tatiana Day.
February 13 » Treaty of Giyanti signed by VOC, Pakubuwono III and Prince Mangkubumi. The treaty divides the Javanese kingdom of Mataram into 2: Sunanate of Surakarta and Sultanate of Yogyakarta.
April 15 » Samuel Johnson's A Dictionary of the English Language is published in London.
July 9 » The Braddock Expedition is soundly defeated by a smaller French and Native American force in its attempt to capture Fort Duquesne in what is now downtown Pittsburgh.
November 1 » In Portugal, Lisbon is totally devastated by a massive earthquake and tsunami, killing between 60,000 and 90,000 people.
November 25 » King Ferdinand VI of Spain grants royal protection to the Beaterio de la Compañia de Jesus, now known as the Congregation of the Religious of the Virgin Mary.
Day of death October 31, 1783
The temperature on October 31, 1783 was about 11.0 °C. Wind direction mainly south-southeast. Weather type: zeer betrokken. Source: KNMI
February 3 » Spain–United States relations are first established.
February 5 » In Calabria, a sequence of strong earthquakes begins.
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.
April 15 » Preliminary articles of peace ending the American Revolutionary War (or American War of Independence) are ratified.
May 26 » A Great Jubilee Day held at North Stratford, Connecticut, celebrated the end of fighting in the American Revolution.
November 29 » A 5.3 magnitude earthquake strikes New Jersey.
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/P5469.php : accessed October 15, 2026), "John 1st Earl Spencer Viscount Althorp (1734-1783)".
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