The temperature on March 24, 1947 was between 3.0 °C and 11.9 °C and averaged 7.7 °C. There was 0.6 mm of rain during 1.3 hours. There was 5.8 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 12 » Cold War: The Truman Doctrine is proclaimed to help stem the spread of Communism.
July 26 » Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into United States law creating the Central Intelligence Agency, United States Department of Defense, United States Air Force, Joint Chiefs of Staff, and the United States National Security Council.
August 7 » Thor Heyerdahl's balsa wood raft, the Kon-Tiki, smashes into the reef at Raroia in the Tuamotu Islands after a 101-day, 7,000 kilometres (4,300mi) journey across the Pacific Ocean in an attempt to prove that pre-historic peoples could have traveled from South America.
October 1 » The North American F-86 Sabre flies for the first time.
November 17 » The Screen Actors Guild implements an anti-Communist loyalty oath.
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/I182885.php : accessed October 15, 2026), "Geert Postma (± 1946-1947)".
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