January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
February 27 » Fußball-Club Bayern München is founded.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
October 25 » The United Kingdom annexes the Transvaal.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage November 11, 1921
The temperature on November 11, 1921 was between -3.5 and 4.2 °C. There was 4.9 hours of sunshine (54%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
March 17 » The Second Polish Republic adopts the March Constitution.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
When copying data from this family tree, please include a reference to the origin: Toine Piscaer, "Genealogy families Piscaer en Wagemans", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-piscaer-en-wagemans/I2029.php : accessed November 1, 2024), "Agnes Gertrudis Engelbert (1900-)".
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