The temperature on September 1, 1919 was between 4.8 °C and 19.6 °C and averaged 12.9 °C. There was 10.9 hours of sunshine (80%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 21 » A revolutionary Irish parliament is founded and declares the independence of the Irish Republic. One of the first engagements of the Irish War of Independence takes place.
January 31 » The Battle of George Square takes place in Glasgow, Scotland, during a campaign for shorter working hours.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
May 8 » Edward George Honey proposes the idea of a moment of silence to commemorate the Armistice of 11 November 1918 which ended World War I.
June 2 » Anarchists simultaneously set off bombs in eight separate U.S. cities.
September 11 » United States Marine Corps invades Honduras.
Day of death September 6, 1970
The temperature on September 6, 1970 was between 8.5 °C and 18.5 °C and averaged 13.6 °C. There was 4.6 hours of sunshine (35%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 12 » Biafra capitulates, ending the Nigerian Civil War.
March 4 » French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
April 1 » President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring the Surgeon General's warnings on tobacco products and banning cigarette advertising on television and radio in the United States, effective 1 January 1971.
May 1 » Vietnam War: Protests erupt following the announcement by Richard Nixon that the U.S. and South Vietnamese forces would attack Vietnamese communists in a Cambodian Campaign.
November 9 » Vietnam War: The Supreme Court of the United States votes 6–3 against hearing a case to allow Massachusetts to enforce its law granting residents the right to refuse military service in an undeclared war.
December 15 » Soviet spacecraft Venera 7 successfully lands on Venus. It is the first successful soft landing on another planet.
When copying data from this family tree, please include a reference to the origin: Frank Coster, "Family tree Coster", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_coster/I9616.php : accessed January 7, 2026), "Sipko Jans Knol (1919-1970)".
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