March 10 » French Huguenot Jean Calas, who had been wrongly convicted of killing his son, dies after being tortured by authorities; the event inspired Voltaire to begin a campaign for religious tolerance and legal reform.
May 22 » Sweden and Prussia sign the Treaty of Hamburg.
June 24 » Battle of Wilhelmsthal: The British-Hanoverian army of Ferdinand of Brunswick defeats French forces in Westphalia.
July 9 » Catherine the Great becomes Empress of Russia following the coup against her husband, Peter III.
July 17 » Former emperor Peter III of Russia is murdered.
September 15 » Seven Years' War: Battle of Signal Hill.
Day of marriage November 1, 1789
The temperature on November 1, 1789 was about 8.0 °C. Wind direction mainly northeast. Weather type: omtrent helder. Source: KNMI
July 10 » Alexander Mackenzie reaches the Mackenzie River delta.
July 27 » The first U.S. federal government agency, the Department of Foreign Affairs, is established (it will be later renamed Department of State).
September 22 » The office of United States Postmaster General is established.
September 25 » The United States Congress passes twelve constitutional amendments: the ten known as the Bill of Rights, the (unratified) Congressional Apportionment Amendment, and the Congressional Compensation Amendment.
October 3 » George Washington proclaims a Thanksgiving Day for that year.
October 5 » French Revolution: The Women's March on Versailles effectively terminates royal authority.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I10236.php : accessed January 18, 2026), "Eduwart Mostert (1762-????)".
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