The temperature on December 20, 1918 was between -0.5 °C and 4.0 °C and averaged 1.9 °C. There was 0.9 mm of rain. There was 0.2 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
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 4 » The Finnish Declaration of Independence is recognized by Russia, Sweden, Germany and France.
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
April 24 » World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
November 21 » The Flag of Estonia, previously used by pro-independence activists, is formally adopted as the national flag of the Republic of Estonia.
November 27 » The Free Territory of Ukraine is established in Huliaipole.
December 14 » Friedrich Karl von Hessen, a German prince elected by the Parliament of Finland to become King Väinö I, renounces the Finnish throne.
When copying data from this family tree, please include a reference to the origin: Eric Brouwer, "Family tree Brouwer - Koster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eric-brouwer/I83188.php : accessed March 2, 2026), "Johannes Marius Sarink (1886-????)".
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