March 4 » The Constitutional Act of 1791 is introduced by the British House of Commons in London which envisages the separation of Canada into Lower Canada (Quebec) and Upper Canada (Ontario).
May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
August 4 » The Treaty of Sistova is signed, ending the Ottoman–Habsburg wars.
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.
August 21 » A Vodou ceremony, led by Dutty Boukman, turns into a violent slave rebellion, beginning the Haitian Revolution.
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.
Day of burial April 21, 1791
The temperature on April 21, 1791 was about 11.0 °C. Wind direction mainly south-southeast. Weather type: zeer betrokken. Source: KNMI
February 18 » Congress passes a law admitting the state of Vermont to the Union, effective 4 March, after that state had existed for 14 years as a de facto independent largely unrecognized state.
March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
March 4 » The Constitutional Act of 1791 is introduced by the British House of Commons in London which envisages the separation of Canada into Lower Canada (Quebec) and Upper Canada (Ontario).
May 15 » French Revolution: Maximilien Robespierre proposes the Self-denying Ordinance.
August 21 » A Vodou ceremony, led by Dutty Boukman, turns into a violent slave rebellion, beginning the Haitian Revolution.
December 15 » The United States Bill of Rights becomes law when ratified by the Virginia General Assembly.
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/I652467.php : accessed February 13, 2026), "Caatje Moerman (-1791)".
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