April 7 » Selim III became Sultan of the Ottoman Empire and Caliph of Islam.
June 20 » Deputies of the French Third Estate take the Tennis Court Oath.
July 14 » Alexander Mackenzie finally completes his journey to the mouth of the great river he hoped would take him to the Pacific, but which turns out to flow into the Arctic Ocean. Later named after him, the Mackenzie is the second-longest river system in North America.
August 4 » France: Members of the National Constituent Assembly take an oath to end feudalism and abandon their privileges.
October 5 » French Revolution: The Women's March on Versailles effectively terminates royal authority.
November 20 » New Jersey becomes the first U.S. state to ratify the Bill of Rights.
Day of death February 28, 1791
The temperature on February 28, 1791 was about 3.0 °C. Wind direction mainly north-northwest. Weather type: betrokken. Source: KNMI
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.
May 15 » French Revolution: Maximilien Robespierre proposes the Self-denying Ordinance.
August 14 » Slaves from plantations in Saint-Domingue hold a Vodou ceremony led by houngan Dutty Boukman at Bois Caïman, marking the start of the Haitian Revolution.
September 30 » France's National Constituent Assembly is dissolved, to be replaced the next day by the National Legislative Assembly
September 30 » The first performance of Mozart's opera The Magic Flute takes place two months before his death.
When copying data from this family tree, please include a reference to the origin: Olaf Andersen, "Andersen family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-andersen/I1975.php : accessed January 26, 2026), "Helena Steenbergen (1789-1791)".
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