The temperature on April 15, 1920 was between 8.6 °C and 18.0 °C and averaged 12.6 °C. There was 0.7 mm of rain. There was 4.2 hours of sunshine (30%). The average windspeed was 5 Bft (very strong wind) 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 13 » The Reichstag Bloodbath of January 13, 1920, the bloodiest demonstration in German history.
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.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
August 16 » Polish–Soviet War: The Battle of Radzymin concludes; the Soviet Red Army is forced to turn away from Warsaw.
August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
When copying data from this family tree, please include a reference to the origin: Jan Schans, "Family tree Schans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-schans/I9331.php : accessed January 23, 2026), "Hendrika Paulina JONGSMA (± 1899-????)".
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