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
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.
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
June 5 » Cold War: Marshall Plan: In a speech at Harvard University, the United States Secretary of State George Marshall calls for economic aid to war-torn Europe.
August 7 » The Bombay Municipal Corporation formally takes over the Bombay Electric Supply and Transport (BEST).
November 6 » Meet the Press, the longest running television program in history, makes its debut.
December 6 » The Everglades National Park in Florida is dedicated.
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 13, 2026), "Mary Spoelma Hoekwater (± 1873-1947)".
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