The temperature on April 4, 1920 was between 3.7 °C and 12.1 °C and averaged 7.4 °C. There was 2.9 mm of rain. There was 2.2 hours of sunshine (17%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
July 15 » The Polish Parliament establishes Silesian Voivodeship before the Polish-German plebiscite.
September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of death February 8, 1980
The temperature on February 8, 1980 was between 3.2 °C and 10.6 °C and averaged 7.5 °C. There was 0.5 mm of rain during 0.6 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
February 25 » The government of Suriname is overthrown by a military coup led by Dési Bouterse.
May 13 » An F3 tornado hits Kalamazoo County, Michigan. President Jimmy Carter declares it a federal disaster area.
May 17 » General Chun Doo-hwan of South Korea seizes control of the government and declares martial law in order to suppress student demonstrations.
August 2 » A bomb explodes at the railway station in Bologna, Italy, killing 85 people and wounding more than 200.
August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
December 11 » The Comprehensive Environmental Response, Compensation, and Liability Act (Superfund) is enacted by the U.S. Congress.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I109938.php : accessed February 16, 2026), "Klaas Helder (1920-1980)".
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