The temperature on February 4, 1947 was between -5.2 °C and -1.3 °C and averaged -3.8 °C. There was 2.9 mm of rain during 5.4 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 1 » The Canadian Citizenship Act 1946 comes into effect, converting British subjects into Canadian citizens. Prime Minister William Lyon Mackenzie King becomes the first Canadian citizen.
April 1 » The only mutiny in the history of the Royal New Zealand Navy begins.
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.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I25978.php : accessed December 25, 2025), "Maria van Landeghem (1947-1947)".
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