The temperature on March 1, 1921 was between 3.7 °C and 9.8 °C and averaged 6.0 °C. There was 0.6 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
February 22 » After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
Day of death February 16, 1956
The temperature on February 16, 1956 was between -21.6 °C and -7.0 °C and averaged -14.9 °C. There was 5.5 hours of sunshine (55%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 25 » In his speech On the Cult of Personality and Its Consequences, Nikita Khrushchev, leader of the Soviet Union, denounces Stalin.
April 5 » In Sri Lanka, the Mahajana Eksath Peramuna win the general elections in a landslide and S. W. R. D. Bandaranaike is sworn in as the Prime Minister of Ceylon.
May 24 » The first Eurovision Song Contest is held in Lugano, Switzerland.
September 13 » The IBM 305 RAMAC is introduced, the first commercial computer to use disk storage.
November 2 » Hungarian Revolution: Imre Nagy requests UN aid for Hungary. Nikita Khrushchev meets with leaders of other Communist countries to seek their advice on the situation in Hungary, selecting János Kádár as the country's next leader on the advice of Josip Broz Tito.
December 19 » Irish-born physician John Bodkin Adams is arrested in connection with the suspicious deaths of more than 160 patients. Eventually he is convicted only of minor charges.
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/I293174.php : accessed February 17, 2026), "Willem Koops (1921-1956)".
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