April 20 » American Revolutionary War: The Siege of Boston begins, following the battles at Lexington and Concord.
June 12 » American Revolution: British general Thomas Gage declares martial law in Massachusetts. The British offer a pardon to all colonists who lay down their arms. There would be only two exceptions to the amnesty: Samuel Adams and John Hancock, if captured, were to be hanged.
July 27 » Founding of the U.S. Army Medical Department: The Second Continental Congress passes legislation establishing "an hospital for an army consisting of 20,000 men."
August 20 » The Spanish establish the Presidio San Augustin del Tucson in the town that became Tucson, Arizona.
November 10 » The United States Marine Corps is founded at Tun Tavern in Philadelphia by Samuel Nicholas.
December 31 » American Revolutionary War: Battle of Quebec: British forces repulse an attack by Continental Army General Richard Montgomery.
Day of marriage September 4, 1791
The temperature on September 4, 1791 was about 18.0 °C. Wind direction mainly southwest. Weather type: zeer betrokken. Source: KNMI
January 10 » The Siege of Dunlap's Station begins near Cincinnati during the Northwest Indian War.
May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
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 30 » France's National Constituent Assembly is dissolved, to be replaced the next day by the National Legislative Assembly
October 1 » First session of the French Legislative Assembly.
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.
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/I11806.php : accessed March 6, 2026), "Johanna Regina Moeller (1775-????)".
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