January 10 » The Siege of Dunlap's Station begins near Cincinnati during the Northwest Indian War.
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 26 » John Fitch is granted a United States patent for the steamboat.
September 30 » The first performance of Mozart's opera The Magic Flute takes place two months before his death.
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: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I6445.php : accessed May 1, 2025), "Geertruyd Christina Blanckenberg SM (1707-1791)".
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