The temperature on March 30, 1947 was between 5.2 °C and 13.1 °C and averaged 9.0 °C. There was 5.5 mm of rain during 4.2 hours. There was 1.3 hours of sunshine (10%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
February 23 » International Organization for Standardization is founded.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
August 17 » The Radcliffe Line, the border between the Dominions of India and Pakistan, is revealed.
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.
November 25 » Red Scare: The "Hollywood Ten" are blacklisted by Hollywood movie studios.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I85357.php : accessed May 8, 2025), "Dijnphna paulina van Merrienboer (1923-1947)".
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