The temperature on April 18, 1918 was between -0.6 °C and 7.4 °C and averaged 4.6 °C. There was 0.4 mm of rain. There was 0.7 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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 24 » The Gregorian calendar is introduced in Russia by decree of the Council of People's Commissars effective February 14 (New Style).
March 31 » Daylight saving time goes into effect in the United States for the first time.
July 17 » The RMSCarpathia, the ship that rescued the 705 survivors from the RMSTitanic, is sunk off Ireland by the German SMU-55; five lives are lost.
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 29 » The Hindenburg Line is broken by an Allied attack.
October 1 » World War I: The Egyptian Expeditionary Force captures Damascus.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I2370.php : accessed February 24, 2026), "Leendert Marinus Wisse (1918-1980)".
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