The temperature on December 11, 1917 was between -1.7 °C and 4.7 °C and averaged 1.2 °C. There was 0.1 mm of rain. There was 1.8 hours of sunshine (23%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
May 19 » The Norwegian football club Rosenborg BK is founded.
June 5 » World War I: Conscription begins in the United States as "Army registration day".
October 15 » World War I: Dutch dancer Mata Hari is executed by France for espionage.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of death December 22, 1918
The temperature on December 22, 1918 was between -1.2 °C and 4.1 °C and averaged 1.5 °C. There was 6.2 mm of rain. There was 2.9 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) 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.
February 5 » Stephen W. Thompson shoots down a German airplane; this is the first aerial victory by the U.S. military.
March 30 » Outburst of bloody March Events in Baku and other locations of Baku Governorate.
March 31 » Daylight saving time goes into effect in the United States for the first time.
June 26 » World War I: Allied forces under John J. Pershing and James Harbord defeat Imperial German forces under Wilhelm, German Crown Prince in the Battle of Belleau Wood.
July 9 » In Nashville, Tennessee, an inbound local train collides with an outbound express, killing 101 and injuring 171 people, making it the deadliest rail accident in United States history.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I121662.php : accessed January 21, 2026), "Tjitske Witteveen (1917-1918)".
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