The temperature on December 22, 1920 was between 2.0 °C and 5.4 °C and averaged 3.6 °C. There was 0.9 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
Day of death September 21, 1978
The temperature on September 21, 1978 was between 11.9 °C and 18.1 °C and averaged 15.4 °C. There was 1.8 hours of sunshine (15%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 13 » United States Food and Drug Administration requires all blood donations to be labeled "paid" or "volunteer" donors.
March 16 » A Balkan Bulgarian Airlines Tupolev Tu-134 crashes near Gabare, Bulgaria, killing 73.
April 7 » Development of the neutron bomb is canceled by President Jimmy Carter.
May 4 » The South African Defence Force attacks a SWAPO base at Cassinga in southern Angola, killing about 600 people.
December 4 » Following the murder of Mayor George Moscone, Dianne Feinstein becomes San Francisco's first female mayor.
December 22 » The pivotal Third Plenum of the 11th National Congress of the Communist Party of China is held in Beijing, with Deng Xiaoping reversing Mao-era policies to pursue a program for Chinese economic reform.
When copying data from this family tree, please include a reference to the origin: Boris van den Bosch, "Family tree Van Valen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-valen/R6.php : accessed February 26, 2026), "Jacob van Valen (1920-1978)".
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