January 26 » The British First Fleet, led by Arthur Phillip, sails into Port Jackson (Sydney Harbour) to establish Sydney, the first permanent European settlement on Australia. Commemorated as Australia Day.
April 7 » American pioneers to the Northwest Territory establish Marietta, Ohio as the first permanent American settlement in the Northwest Territory.
May 23 » South Carolina ratifies the United States Constitution as the eighth American state.
June 7 » French Revolution: Day of the Tiles: Civilians in Grenoble toss roof tiles and various objects down upon royal troops.
June 25 » Virginia becomes the tenth state to ratify the United States Constitution.
December 22 » Nguyễn Huệ proclaims himself Emperor Quang Trung, in effect abolishing on his own the Lê dynasty.
Day of death April 12, 1791
The temperature on April 12, 1791 was about 10.0 °C. There was 26 mm of rainWind direction mainly east. 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 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).
March 4 » Vermont is admitted to the United States as the fourteenth state.
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 22 » Beginning of the Haitian Slave Revolution in Saint-Domingue, Haiti.
August 26 » John Fitch is granted a United States patent for the steamboat.
When copying data from this family tree, please include a reference to the origin: Leo van Strien, "Family tree Van Strien", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-strien/I563.php : accessed February 11, 2026), "Cornelius van Van Strien (-1791)".
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