January 24 » During the Seven Years' War the leading burghers of Königsberg submit to Elizabeth of Russia, thus forming Russian Prussia (until 1763).
February 4 » The city of Macapá in Brazil is founded by Sebastião Veiga Cabral.
June 12 » French and Indian War: Siege of Louisbourg: James Wolfe's attack at Louisbourg, Nova Scotia, commences.
July 26 » French and Indian War: The Siege of Louisbourg ends with British forces defeating the French and taking control of the Gulf of Saint Lawrence.
September 11 » Battle of Saint Cast: France repels British invasion during the Seven Years' War.
December 25 » Halley's Comet is sighted by Johann Georg Palitzsch, confirming Edmund Halley's prediction of its passage. This was the first passage of a comet predicted ahead of time.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I93068.php : accessed January 31, 2026), "Jan Hendriks van Veen (1733-????)".
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