The temperature on May 4, 1791 was about 6.0 °C. Wind direction mainly north-northwest. Weather type: omtrent helder. Special wheather fenomena: noorderlicht. Source: KNMI
January 2 » Big Bottom massacre in the Ohio Country, North America, marking the beginning of the Northwest Indian War.
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
March 4 » Vermont is admitted to the United States as the fourteenth state.
July 17 » Members of the French National Guard under the command of General Lafayette open fire on a crowd of radical Jacobins at the Champ de Mars, Paris, during the French Revolution, killing scores of people.
September 13 » King Louis XVI of France accepts the new constitution.
November 4 » Northwest Indian War: The Western Confederacy of American Indians wins a major victory over the United States in the Battle of the Wabash.
When copying data from this family tree, please include a reference to the origin: David Chaim, "Lazarus tree", database, Genealogy Online (https://www.genealogieonline.nl/lazarus-tree/I412278974921.php : accessed December 7, 2025), "Jean Baptiste de CHAISEMARTIN (1706-1791)".
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