The temperature on August 17, 1920 was between 7.6 °C and 22.7 °C and averaged 15.7 °C. There was 12.1 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) 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 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.
Day of death September 2, 1975
The temperature on September 2, 1975 was between 15.8 °C and 25.7 °C and averaged 19.7 °C. There was 7.1 hours of sunshine (52%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 4 » Haicheng earthquake (magnitude 7.3 on the Richter scale) occurs in Haicheng, Liaoning, China.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
July 30 » Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30p.m. He is never seen or heard from again.
September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
October 16 » The Australian Coalition sparks a constitutional crisis when they vote to defer funding for the government's annual budget.
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/I112807.php : accessed October 8, 2026), "Sake Wietze Postma (1920-1975)".
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