The temperature on July 1, 1930 was between 16.1 °C and 29.0 °C and averaged 21.3 °C. There was 0.1 mm of rain. There was 10.3 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
March 12 » Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India.
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
June 17 » U.S. President Herbert Hoover signs the Smoot–Hawley Tariff Act into law.
December 7 » W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show.
Day of death February 21, 1947
The temperature on February 21, 1947 was between -6.9 °C and -4.1 °C and averaged -6.1 °C. There was 1.1 mm of rain during 5.5 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
March 12 » Cold War: The Truman Doctrine is proclaimed to help stem the spread of Communism.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
July 19 » Korean politician Lyuh Woon-hyung is assassinated.
September 9 » First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
October 16 » The Philippines takes over the administration of the Turtle Islands and the Mangsee Islands from the United Kingdom.
When copying data from this family tree, please include a reference to the origin: Pauline Berens BC, "Local Heritage Book Barger-Compascuum", database, Genealogy Online (https://www.genealogieonline.nl/ofb-barger-compascuum/I60436.php : accessed February 28, 2026), "Jans Koops (1930-1947)".
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