The temperature on April 30, 1920 was between 3.7 °C and 12.3 °C and averaged 7.9 °C. There was 4.5 mm of rain. There was 6.4 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
January 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
May 7 » Morecambe Football Club was founded during a meeting at the West View Hotel on the town's promenade.
July 11 » In the East Prussian plebiscite the local populace decides to remain with Weimar Germany.
November 15 » The Free City of Danzig is established.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of marriage December 9, 1939
The temperature on December 9, 1939 was between 3.6 °C and 9.1 °C and averaged 6.7 °C. There was 4.2 mm of rain during 3.8 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
March 14 » Slovakia declares independence under German pressure.
March 28 » Spanish Civil War: Generalissimo Francisco Franco conquers Madrid after a three-year siege.
April 18 » Robert Menzies, who became Australia's longest-serving prime minister, is elected as leader of the United Australia Party after the death of Prime Minister Joseph Lyons.
September 17 » World War II: German submarineU-29 sinks the British aircraft carrier HMSCourageous.
September 18 » World War II: The Polish government of Ignacy Mościcki flees to Romania.
November 8 » Venlo Incident: Two British agents of SIS are captured by the Germans.
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/I201833.php : accessed February 7, 2026), "Jetta Niemeijer (1920-< 2019)".
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