The temperature on January 10, 1947 was between -2.1 °C and 1.2 °C and averaged 0.1 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
March 17 » First flight of the B-45 Tornado strategic bomber.
June 10 » Saab produces its first automobile.
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.
June 25 » The Diary of a Young Girl (better known as The Diary of Anne Frank) is published.
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.
October 20 » The House Un-American Activities Committee begins its investigation into Communist infiltration of the Hollywood film industry, resulting in a blacklist that prevents some from working in the industry for years.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I48023.php : accessed October 6, 2026), "Mary Spoelma Hoekwater (± 1873-1947)".
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