March 2 » Long-distance communication speeds up with the unveiling of a semaphore machine in Paris.
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).
May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
July 14 » The Priestley Riots drive Joseph Priestley, a supporter of the French Revolution, out of Birmingham, England.
September 5 » Olympe de Gouges writes the Declaration of the Rights of Woman and of the Female Citizen.
September 9 » Washington, D.C., the capital of the United States, is named after President George Washington.
Christening day January 30, 1791
The temperature on January 30, 1791 was about 7.0 °C. There was 4 mm of rainWind direction mainly northwest. Weather type: omtrent helder. Source: KNMI
January 2 » Big Bottom massacre in the Ohio Country, North America, marking the beginning of the Northwest Indian War.
February 18 » Congress passes a law admitting the state of Vermont to the Union, effective 4 March, after that state had existed for 14 years as a de facto independent largely unrecognized state.
May 3 » The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth.
August 22 » Beginning of the Haitian Slave Revolution in Saint-Domingue, Haiti.
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.
Day of death January 4, 1864
The temperature on January 4, 1864 was about -10.4 °C. The air pressure was 6 kgf/m2 and came mainly from the northeast. The airpressure was 78 cm mercury. The atmospheric humidity was 80%. 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.
May 13 » American Civil War: Battle of Resaca: The battle begins with Union General Sherman fighting toward Atlanta.
June 3 » American Civil War: Battle of Cold Harbor: Union forces attack Confederate troops in Hanover County, Virginia.
September 29 » American Civil War: The Battle of Chaffin's Farm is fought.
October 19 » American Civil War: The Battle of Cedar Creek ends the last Confederate threat to Washington, DC.
November 4 » American Civil War: Confederate troops bombard a Union supply base and destroy millions of dollars in material at the Battle of Johnsonville.
December 15 » American Civil War: Battle of Nashville: The Union's Army of the Cumberland routs and destroys the Confederacy's Army of Tennessee, ending its effectiveness as a combat unit.
When copying data from this family tree, please include a reference to the origin: Jim Joosten, "Emigranten", database, Genealogy Online (https://www.genealogieonline.nl/emigranten/I3833.php : accessed March 6, 2026), "Janna van Mersbergen (1791-1864)".
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