February 1 » French Revolutionary Wars: France declares war on the United Kingdom and the Netherlands.
March 18 » Flanders Campaign of the French Revolution, Battle of Neerwinden.
April 6 » During the French Revolution, the Committee of Public Safety becomes the executive organ of the republic.
June 2 » French Revolution: François Hanriot, leader of the Parisian National Guard, arrests 22 Girondists selected by Jean-Paul Marat, setting the stage for the Reign of Terror.
July 9 » The Act Against Slavery in Upper Canada bans the importation of slaves and will free those who are born into slavery after the passage of the Act at 25 years of age.
September 17 » War of the Pyrenees: France defeats a Spanish force at the Battle of Peyrestortes.
Day of death September 15, 1864
The temperature on September 15, 1864 was about 14.2 °C. There was 2 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the south. The airpressure was 75 cm mercury. The atmospheric humidity was 93%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
February 20 » American Civil War: Battle of Olustee: The largest battle fought in Florida during the war.
March 15 » American Civil War: The Red River Campaign: U.S. Navy fleet arrives at Alexandria, Louisiana.
May 9 » Second Schleswig War: The Danish navy defeats the Austrian and Prussian fleets in the Battle of Heligoland.
May 21 » The Ionian Islands reunite with Greece.
October 19 » American Civil War: Confederate agents based in Canada rob three banks in Saint Albans, Vermont.
December 8 » Pope Pius IX promulgates the encyclical Quanta cura and its appendix, the Syllabus of Errors, outlining the authority of the Catholic Church and condemning various liberal ideas.
When copying data from this family tree, please include a reference to the origin: B.J. Jansen, "Family tree Jansen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jansen/I371.php : accessed February 16, 2026), "Maria Gesina Gansevorth (1793-1864)".
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