The temperature on January 13, 1918 was between -0.8 °C and 2.4 °C and averaged 0.9 °C. There was 1.5 mm of rain. There was 3.7 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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.
February 5 » Stephen W. Thompson shoots down a German airplane; this is the first aerial victory by the U.S. military.
March 31 » Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks. Nearly 12,000 Azerbaijani Muslims are killed.
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.
July 6 » The Left SR uprising in Russia starts with the assassination of German ambassador Wilhelm von Mirbach by Cheka members.
August 16 » The Battle of Lake Baikal was fought between the Czechoslovak Legion and the Red Army.
December 1 » Iceland becomes a sovereign state, yet remains a part of the Danish kingdom.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I5519.php : accessed February 14, 2026), "Dirkje de Graaf (1917-1918)".
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