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
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
May 22 » Cold War: The Truman Doctrine goes into effect, aiding Turkey and Greece.
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 29 » First Indochina War: French forces carry out a massacre at Mỹ Trạch, Vietnam.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I6151.php : accessed February 25, 2026), "Maria Geertruida van Willigen (1903-1947)".
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