March 18 » New York governor George Clarke's complex at Fort George is burned in an arson attack, starting the New York Conspiracy of 1741.
April 10 » War of the Austrian Succession: Prussia gains control of Silesia at the Battle of Mollwitz.
May 20 » The Battle of Cartagena de Indias ends in a Spanish victory and the British begin withdrawal towards Jamaica with substantial losses.
July 31 » Charles Albert of Bavaria invades Upper Austria and Bohemia.
August 10 » King Marthanda Varma of Travancore defeats the Dutch East India Company at the Battle of Colachel, effectively bringing about the end of the Dutch colonial rule in India.
September 14 » George Frideric Handel completes his oratorio Messiah.
Day of marriage December 30, 1764
The temperature on December 30, 1764 was about -6.0 °C. Wind direction mainly east by north. Weather type: helder. Source: KNMI
January 19 » Bolle Willum Luxdorph records in his diary that a mail bomb, possibly the world's first, has severely injured the Danish Colonel Poulsen, residing at Børglum Abbey.
January 19 » John Wilkes is expelled from the British House of Commons for seditious libel.
February 15 » The city of St. Louis is established in Spanish Louisiana (now in Missouri, USA).
September 7 » Election of Stanisław August Poniatowski as the last ruler of the Polish–Lithuanian Commonwealth.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I30143.php : accessed December 26, 2025), "Klaas Roelofs Hoorn (1741-????)".
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