January 21 » After being found guilty of treason by the French National Convention, Louis XVI of France is executed by guillotine.
March 1 » French Revolutionary War: Battle of Aldenhoven during the Flanders Campaign.
July 13 » Journalist and French revolutionary Jean-Paul Marat is assassinated in his bathtub by Charlotte Corday, a member of the opposing political faction.
August 10 » The Musée du Louvre is officially opened in Paris, France.
September 18 » The first cornerstone of the United States Capitol is laid by George Washington.
October 16 » War of the First Coalition: French victory at the Battle of Wattignies forces Austria to raise the siege of Maubeuge.
Day of death April 11, 1871
The temperature on April 11, 1871 was about 11.0 °C. The air pressure was 2 kgf/m2 and came mainly from the south east. The atmospheric humidity was 34%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
January 3 » In the Battle of Bapaume, an engagement in the Franco-Prussian War, General Louis Faidherbe's forces bring about a Prussian retreat.
April 1 » The 3rd Duke of Buckingham opened the Brill Tramway, a short railway line to transport goods between his lands and the national rail network.
April 30 » The Camp Grant massacre takes place in Arizona Territory.
May 21 » Opening of the first rack railway in Europe, the Rigi Bahnen on Mount Rigi.
October 8 » The Great Chicago Fire and the much deadlier Peshtigo Fire break out.
October 24 » An estimated 17 to 20 Chinese immigrants are lynched in Los Angeles, California.
When copying data from this family tree, please include a reference to the origin: Keith Mann Spencer, "Mann Spencer Tree", database, Genealogy Online (https://www.genealogieonline.nl/mann-spencer-tree/P997.php : accessed January 6, 2026), "Ann Ladson (1793-1871)".
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