The temperature on May 31, 1918 was between 6.0 °C and 19.8 °C and averaged 14.0 °C. There was 14.4 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
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.
August 27 » Mexican Revolution: Battle of Ambos Nogales: U.S. Army forces skirmish against Mexican Carrancistas in the only battle of World War I fought on American soil.
September 26 » World War I: The Meuse-Argonne Offensive began which would last until the total surrender of German forces.
November 11 » Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.
November 18 » Latvia declares its independence from Russia.
December 14 » The 1918 United Kingdom general election occurs, the first where women were permitted to vote.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I502018.php : accessed February 1, 2026), "Johannes Dekker (1917-1918)".
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