The temperature on December 25, 1920 was between 7.0 °C and 10.6 °C and averaged 9.2 °C. There was 1.1 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I119167.php : accessed January 14, 2026), "Jan Willem Over (1920-< 2019)".
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