The temperature on June 11, 1947 was between 7.6 °C and 17.9 °C and averaged 13.3 °C. There was 2.1 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 17 » First flight of the B-45 Tornado strategic bomber.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
When copying data from this family tree, please include a reference to the origin: Henk Trox, "Family tree Trox", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-trox/I1335.php : accessed February 1, 2026), "Aaltje Jobing (1947-1947)".
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