The temperature on September 23, 1917 was between 10.0 °C and 16.2 °C and averaged 13.7 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
July 20 » World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
October 25 » Old Style date of the October Revolution in Russia.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
Day of marriage May 20, 1942
The temperature on May 20, 1942 was between 6.4 °C and 20.1 °C and averaged 14.4 °C. There was 1.2 mm of rain during 1.4 hours. There was 8.6 hours of sunshine (54%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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 18 » The War Relocation Authority is established in the United States to take Japanese Americans into custody.
May 27 » World War II: In Operation Anthropoid, Reinhard Heydrich is fatally wounded in Prague; he dies of his injuries eight days later.
June 21 » World War II: Tobruk falls to Italian and German forces.
August 8 » Quit India Movement is launched in India against the British rule in response to Mohandas Gandhi's call for swaraj or complete independence.
December 6 » World War II in villages Stary Ciepielów and Rekówka German Genarmerie massacred 31 Poles for helping the Jews. Also, two Jewish refugees were murdered.
December 20 » World War II: Japanese air forces bomb Calcutta, India.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I14746.php : accessed January 24, 2026), "Marten van der Kloet (1917-)".
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