The temperature on June 18, 1947 was between 12.1 °C and 26.2 °C and averaged 19.7 °C. There was 13.9 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 17 » First flight of the B-45 Tornado strategic bomber.
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
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.
November 2 » In California, designer Howard Hughes performs the maiden (and only) flight of the Hughes H-4 Hercules (also known as the "Spruce Goose"), the largest fixed-wing aircraft ever built.
November 29 » Partition Plan: The United Nations General Assembly approves a plan for the partition of Palestine.
December 23 » The transistor is first demonstrated at Bell Laboratories.
When copying data from this family tree, please include a reference to the origin: Maarten Soeteman, "Family tree Soeteman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-soeteman/I484.php : accessed January 23, 2026), "Anton Adrianus "Ton" Sijs (1947-)".
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