The temperature on March 13, 1937 was between 2.8 °C and 8.9 °C and averaged 5.3 °C. There was 1.0 mm of rain during 0.6 hours. There was 3.6 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
March 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
April 1 » Aden becomes a British crown colony.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
Day of death April 20, 1947
The temperature on April 20, 1947 was between 3.9 °C and 18.8 °C and averaged 12.3 °C. There was 9.1 hours of sunshine (64%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
February 12 » Christian Dior unveils a "New Look", helping Paris regain its position as the capital of the fashion world.
June 23 » The United States Senate follows the United States House of Representatives in overriding U.S. President Harry S. Truman's veto of the Taft–Hartley Act.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
August 4 » The Supreme Court of Japan is established.
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: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I21430.php : accessed February 6, 2026), "Carel Lodewickus Roux (1937-1947)".
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