May 21 » Ten-year-old Mary Campbell is abducted in Pennsylvania by Lenape during the French and Indian War. She is returned six and a half years later.
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.
October 14 » Seven Years' War: Frederick the Great suffers a rare defeat at the Battle of Hochkirch.
December 13 » The English transport ship Duke William sinks in the North Atlantic, killing over 360 people.
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: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I505437.php : accessed February 19, 2026), "Joanna van Osta".
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