The temperature on October 20, 1920 was between -2.5 °C and 13.0 °C and averaged 4.6 °C. There was 9.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
February 29 » Czechoslovak National Assembly adopts the Constitution.
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.
August 19 » The Tambov Rebellion breaks out, in response to the Bolshevik policy of Prodrazvyorstka.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
Day of marriage June 20, 1946
The temperature on June 20, 1946 was between 7.1 °C and 16.8 °C and averaged 11.9 °C. There was 2.9 mm of rain during 1.6 hours. There was 8.9 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
February 14 » The Bank of England is nationalized.
March 28 » Cold War: The United States Department of State releases the Acheson–Lilienthal Report, outlining a plan for the international control of nuclear power.
April 8 » Électricité de France, the world's largest utility company, is formed as a result of the nationalisation of a number of electricity producers, transporters and distributors.
May 1 » Start of three-year Pilbara strike of Indigenous Australians.
May 10 » First successful launch of an American V-2 rocket at White Sands Proving Ground.
December 9 » The "Subsequent Nuremberg trials" begin with the "Doctors' trial", prosecuting physicians and officers alleged to be involved in Nazi human experimentation and mass murder under the guise of euthanasia.
Day of death September 16, 1972
The temperature on September 16, 1972 was between 6.9 °C and 13.4 °C and averaged 11.0 °C. There was 2.5 mm of rain during 1.4 hours. There was 1.0 hours of sunshine (8%). The partly or 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 April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
April 25 » Vietnam War: Nguyen Hue Offensive: The North Vietnamese 320th Division forces 5,000 South Vietnamese troops to retreat and traps about 2,500 others northwest of Kontum.
May 4 » The Don't Make A Wave Committee, a fledgling environmental organization founded in Canada in 1971, officially changes its name to "Greenpeace Foundation".
May 6 » Deniz Gezmiş, Yusuf Aslan and Hüseyin İnan are executed in Ankara after being convicted of attempting to overthrow the Constitutional order.
August 3 » The United States Senate ratifies the Anti-Ballistic Missile Treaty.
September 21 » Philippine President Ferdinand Marcos begins authoritarian rule by declaring martial law.
December 18 » Vietnam War: President Richard Nixon announces that the United States will engage North Vietnam in Operation Linebacker II, a series of Christmas bombings, after peace talks collapsed with North Vietnam on the 13th.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I301261.php : accessed February 28, 2026), "Petrus Hendrikus Swolfs (1920-1972)".
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