January 25 » The London Corresponding Society is founded.
May 21 » A lava dome collapses on Mount Unzen, near the city of Shimbara on the Japanese island of Kyūshū, creating a deadly tsunami that kills nearly 15,000 people.
June 4 » Captain George Vancouver claims Puget Sound for the Kingdom of Great Britain.
August 13 » King Louis XVI of France is formally arrested by the National Tribunal, and declared an enemy of the people.
September 2 » During what became known as the September Massacres of the French Revolution, rampaging mobs slaughter three Roman Catholic bishops, more than two hundred priests, and prisoners believed to be royalist sympathizers.
October 13 » In Washington, D.C., the cornerstone of the United States Executive Mansion (known as the White House since 1818) is laid.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I43758.php : accessed January 12, 2026), "Cornelis Cornelis Post (± 1770-????)".
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