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
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).
June 21 » King Louis XVI of France and his immediate family begin the Flight to Varennes during the French Revolution.
August 21 » A Vodou ceremony, led by Dutty Boukman, turns into a violent slave rebellion, beginning the Haitian Revolution.
September 13 » King Louis XVI of France accepts the new constitution.
September 27 » The National Assembly votes to award full citizenship to Jews in France.
December 4 » The first edition of The Observer, the world's first Sunday newspaper, is published.
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/I9851.php : accessed January 26, 2026), "Johan Godlieb Maas SV/PROG (1791-????)".
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