February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
March 6 » Bayer registers "Aspirin" as a trademark.
July 29 » The First Hague Convention is signed.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of marriage November 11, 1920
The temperature on November 11, 1920 was between 0.2 °C and 10.9 °C and averaged 6.1 °C. There was 2.0 mm of rain. There was 2.3 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
April 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
November 1 » American fishing schooner Esperanto defeats the Canadian fishing schooner Delawana in the First International Fishing Schooner Championship Races in Halifax, Nova Scotia.
December 3 » Following more than a month of Turkish–Armenian War, the Turkish dictated Treaty of Alexandropol is concluded.
When copying data from this family tree, please include a reference to the origin: Cornelis Chatelain, "Family tree Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-chatelain/I502634.php : accessed January 7, 2026), " (1899-1988)".
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