The temperature on April 20, 1918 was between -3.6 °C and 9.8 °C and averaged 3.5 °C. There was 7.7 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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.
August 2 » The first general strike in Canadian history takes place in Vancouver.
August 30 » Fanni Kaplan shoots and seriously injures Bolshevik leader Vladimir Lenin, which along with the assassination of Bolshevik senior official Moisei Uritsky days earlier, prompts the decree for Red Terror.
October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
November 1 » Western Ukraine separates from Austria-Hungary.
November 18 » Latvia declares its independence from Russia.
November 21 » A pogrom takes place in Lwów (now Lviv); over three days, at least 50 Jews and 270 Ukrainian Christians are killed by Poles.
Day of death December 15, 1918
The temperature on December 15, 1918 was between 7.9 °C and 12.0 °C and averaged 9.5 °C. There was 0.6 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 19 » The US Congress establishes time zones and approves daylight saving time.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
September 29 » Germany's Supreme Army Command tells the Kaiser and the Chancellor to open negotiations for an armistice.
September 29 » World War I: Bulgaria signs the Armistice of Salonica.
October 1 » Sayid Abdullah becomes the last Khan of Khiva.
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: Gerrit Jan Georg, "Family tree Georg en Kiel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-georg/I175.php : accessed February 13, 2026), "Willem Johannes Kuipers (1918-1918)".
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