The temperature on April 9, 1920 was between 9.1 °C and 17.1 °C and averaged 12.3 °C. There was 3.7 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
January 19 » The United States Senate votes against joining the League of Nations.
January 26 » Former Ford Motor Company executive Henry Leland launches the Lincoln Motor Company which he later sold to his former employer.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
When copying data from this family tree, please include a reference to the origin: Harry Westerman, "Family tree Westerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerman/X7403.php : accessed January 15, 2026), "Harm Siefkes (± 1858-1920)".
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