February 7 » American Revolutionary War: French and Spanish forces lift the Great Siege of Gibraltar.
April 18 » Three-Fifths Compromise: the first instance of black slaves in the United States of America being counted as three fifths of persons (for the purpose of taxation), in a resolution of the Congress of the Confederation. This was later adopted in the 1787 Constitution.
June 8 » Laki, a volcano in Iceland, begins an eight-month eruption which kills over 9,000 people and starts a seven-year famine.
June 22 » A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
October 15 » The Montgolfier brothers' hot air balloon makes the first human ascent, piloted by Jean-François Pilâtre de Rozier.
November 29 » A 5.3 magnitude earthquake strikes New Jersey.
Day of death September 28, 1791
The temperature on September 28, 1791 was about 10.0 °C. Wind direction mainly northeast. Weather type: omtrent helder. Special wheather fenomena: noorderlicht. Source: KNMI
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).
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 5 » Olympe de Gouges writes the Declaration of the Rights of Woman and of the Female Citizen.
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: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I20682.php : accessed September 26, 2026), "Joannes Franciscus de Roeck (1783-1791)".
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