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.
August 27 » French Revolutionary Wars: The city of Toulon revolts against the French Republic and admits the British and Spanish fleets to seize its port, leading to the Siege of Toulon by French Revolutionary forces.
September 8 » French Revolutionary Wars: Battle of Hondschoote.
November 3 » French playwright, journalist and feminist Olympe de Gouges is guillotined.
December 23 » The Battle of Savenay: A decisive defeat of the royalist counter-revolutionaries in War in the Vendée during the French Revolution.
December 26 » Second Battle of Wissembourg: France defeats Austria.
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.
March 28 » The Paris Commune is formally established in Paris.
May 4 » The National Association, the first professional baseball league, opens its first season in Fort Wayne, Indiana.
July 20 » British Columbia joins the confederation of Canada.
July 29 » The Connecticut Valley Railroad opens between Old Saybrook, Connecticut and Hartford, Connecticut in the United States.
December 24 » The opera Aida premieres in Cairo, Egypt.
December 26 » Thespis, the first Gilbert and Sullivan collaboration, debuts. It does modestly well, but the two would not collaborate again for four years and the score has been lost.
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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