The temperature on July 17, 1920 was between 14.1 °C and 26.2 °C and averaged 19.6 °C. There was 0.9 mm of rain. There was 10.2 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
August 13 » Polish–Soviet War: The Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
Day of marriage September 12, 1942
The temperature on September 12, 1942 was between 12.5 °C and 22.8 °C and averaged 16.6 °C. There was 2.6 mm of rain during 0.2 hours. There was 8.8 hours of sunshine (68%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
February 27 » World War II: During the Battle of the Java Sea, an Allied strike force is defeated by a Japanese task force in the Java Sea in the Dutch East Indies.
June 7 » World War II: Aleutian Islands Campaign: Imperial Japanese soldiers begin occupying the American islands of Attu and Kiska, in the Aleutian Islands off Alaska.
June 28 » World War II: Nazi Germany starts its strategic summer offensive against the Soviet Union, codenamed Case Blue.
July 28 » World War II: Soviet leader Joseph Stalin issues Order No. 227. In response to alarming German advances, all those who retreat or otherwise leave their positions without orders to do so are to be tried in a military court, with punishment ranging from duty in a shtrafbat battalion, imprisonment in a Gulag, or execution.
November 21 » The completion of the Alaska Highway (also known as the Alcan Highway) is celebrated (however, the highway is not usable by standard road vehicles until 1943).
December 7 » World War II: British commandos conduct Operation Frankton, a raid on shipping in Bordeaux harbour.
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/I8780.php : accessed February 5, 2026), "Wessel Overdijk (1920-< 2019)".
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