The temperature on December 18, 1920 was between -0.5 °C and 1.2 °C and averaged 0.7 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
January 19 » The American Civil Liberties Union (ACLU) is founded.
January 28 » Foundation of the Spanish Legion.
April 25 » At the San Remo conference, the principal Allied Powers of World War I adopt a resolution to determine the allocation of Class "A" League of Nations mandates for administration of the former Ottoman-ruled lands of the Middle East.
August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
November 15 » The Free City of Danzig is established.
When copying data from this family tree, please include a reference to the origin: P.Heres, "Family tree Gerrit van Ommen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gerrit-van-ommen/I1099531211.php : accessed May 6, 2024), "Gerritje Grolleman (1889-????)".
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