The temperature on April 18, 1947 was between 2.5 °C and 16.3 °C and averaged 9.9 °C. There was 11.6 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
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.
July 4 » The "Indian Independence Bill" is presented before the British House of Commons, proposing the independence of the Provinces of British India into two sovereign countries: India and Pakistan.
July 19 » Prime Minister of the shadow Burmese government, Bogyoke Aung San and eight others are assassinated.
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.
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/I182880.php : accessed December 29, 2025), "Hendrik Kloosterman (± 1947-1947)".
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