The temperature on May 10, 1947 was between 14.4 °C and 27.8 °C and averaged 20.5 °C. There was 13.3 mm of rain during 2.9 hours. There was 8.3 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
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 15 » Typhoon Kathleen hit the Kantō region in Japan killing 1,077.
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.
November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
December 6 » The Everglades National Park in Florida is dedicated.
Day of death May 15, 1947
The temperature on May 15, 1947 was between 11.0 °C and 15.2 °C and averaged 12.0 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.2 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 1 » Cold War: The American and British occupation zones in Allied-occupied Germany, after World War II, merge to form the Bizone, which later (with the French zone) became part of West Germany.
February 23 » International Organization for Standardization is founded.
March 25 » An explosion in a coal mine in Centralia, Illinois kills 111.
April 16 » An explosion on board a freighter in port causes the city of Texas City, Texas, to catch fire, killing almost 600.
May 1 » Portella della Ginestra massacre against May Day celebrations in Sicily by the bandit and separatist leader Salvatore Giuliano where 11 persons are killed and 33 wounded.
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.
When copying data from this family tree, please include a reference to the origin: P.Heres, "Family tree Gerrit van Ommen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gerrit-van-ommen/I1099506998.php : accessed June 21, 2024), "Hendrik Willem Sleijster (1947-1947)".
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