The temperature on April 20, 1920 was between 7.1 °C and 12.8 °C and averaged 9.3 °C. There was 8.7 mm of rain. There was 2.1 hours of sunshine (15%). 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.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
April 23 » The Grand National Assembly of Turkey (TBMM) is founded in Ankara. The assembly denounces the government of Sultan Mehmed VI and announces the preparation of a temporary constitution.
June 4 » Hungary loses 71% of its territory and 63% of its population when the Treaty of Trianon is signed in Paris.
August 16 » Ray Chapman of the Cleveland Indians is hit on the head by a fastball thrown by Carl Mays of the New York Yankees, and dies early the next day. Chapman was the second player to die from injuries sustained in a Major League Baseball game, the first being Doc Powers in 1909.
November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.
Day of death January 22, 1971
The temperature on January 22, 1971 was between 2.4 °C and 6.0 °C and averaged 4.6 °C. There was 3.0 mm of rain during 4.1 hours. There was 1.0 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
February 27 » Doctors in the first Dutch abortion clinic (the Mildredhuis in Arnhem) start performing artificially-induced abortions.
March 18 » Peru: a landslide crashes into Yanawayin Lake, killing 200 people at the mining camp of Chungar.
September 11 » The Egyptian Constitution becomes official.
November 27 » The Soviet space program's Mars 2 orbiter releases a descent module. It malfunctions and crashes, but it is the first man-made object to reach the surface of Mars.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
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/I225622.php : accessed February 16, 2026), "Egbert Boertien (1920-1971)".
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