The temperature on December 11, 1918 was between 0.7 °C and 7.4 °C and averaged 5.2 °C. There was 0.8 mm of rain. There was 0.2 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
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.
May 28 » The Azerbaijan Democratic Republic and the First Republic of Armenia declare their independence.
June 10 » The Austro-Hungarian battleship SMSSzent István sinks off the Croatian coast after being torpedoed by an Italian MAS motorboat; the event is recorded by camera from a nearby vessel.
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
September 15 » World War I: Allied troops break through the Bulgarian defenses on the Macedonian front.
When copying data from this family tree, please include a reference to the origin: Annette de Wilde, "Family tree Warnas", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-warnas/I216.php : accessed January 8, 2026), "Adriana Pietje Warnas (1917-1918)".
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