May 15 » War of the First Coalition: France declares war on Kingdom of Sardinia.
May 17 » The New York Stock Exchange is formed under the Buttonwood Agreement.
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 1 » Kentucky is admitted as the 15th state of the United States.
September 21 » French Revolution: The National Convention abolishes the monarchy.
September 22 » Primidi Vendémiaire of year one of the French Republican Calendar as the French First Republic comes into being.
When copying data from this family tree, please include a reference to the origin: Tonny de Groot, "Genealogy De Groot", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-de-groot/I4875.php : accessed February 21, 2026), "Pieter de Groot (????-1792)".
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