The temperature on October 11, 1917 was between 2.8 °C and 12.7 °C and averaged 7.8 °C. There was 3.3 mm of rain. There was 6.9 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 17 » The United States pays Denmark $25 million for the Virgin Islands.
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.
March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
November 26 » The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams.
Day of marriage December 13, 1941
The temperature on December 13, 1941 was between 5.9 °C and 9.1 °C and averaged 7.3 °C. There was 0.2 mm of rain. There was 0.8 hours of sunshine (10%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 29 » World War II: British Royal Navy and Royal Australian Navy forces defeat those of the Italian Regia Marina off the Peloponnesian coast of Greece in the Battle of Cape Matapan.
June 26 » World War II: Soviet planes bomb Kassa, Hungary (now Košice, Slovakia), giving Hungary the impetus to declare war the next day.
July 10 » Jedwabne pogrom: Massacre of Polish Jews living in and near the village of Jedwabne.
August 29 » World War II: Tallinn, the capital of Estonia, is occupied by Nazi Germany following an occupation by the Soviet Union.
September 27 » The SSPatrick Henry is launched, becoming the first of more than 2,700 Liberty ships.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I507366.php : accessed February 5, 2026), "Wietsina Langbeek (1917-< 2015)".
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