April 6 » During the French Revolution, the Committee of Public Safety becomes the executive organ of the republic.
September 17 » War of the Pyrenees: France defeats a Spanish force at the Battle of Peyrestortes.
September 18 » The first cornerstone of the United States Capitol is laid by George Washington.
October 13 » French Revolutionary Wars: Austro-Prussian victory over Republican France at the First Battle of Wissembourg.
October 16 » French Revolution: Queen Marie Antoinette is executed.
December 25 » General "Mad Anthony" Wayne and a 300 man detachment identify the site of St. Clair's 1791 defeat by the large number of unburied human remains at modern Fort Recovery, Ohio.
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 19 » Franco-Prussian War: In the Siege of Paris, Prussia wins the Battle of St. Quentin. Meanwhile, the French attempt to break the siege in the Battle of Buzenval will end unsuccessfully the following day.
March 21 » Otto von Bismarck is appointed as the first Chancellor of the German Empire.
March 28 » The Paris Commune is formally established in Paris.
May 21 » French troops invade the Paris Commune and engage its residents in street fighting. By the close of "Bloody Week", some 20,000 communards have been killed and 38,000 arrested.
October 8 » The Great Chicago Fire and the much deadlier Peshtigo Fire break out.
November 10 » Henry Morton Stanley locates missing explorer and missionary, Dr David Livingstone in Ujiji, near Lake Tanganyika, famously greeting him with the words, "Dr. Livingstone, I presume?".
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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