The temperature on July 17, 1947 was between 15.5 °C and 29.3 °C and averaged 21.5 °C. There was 11.4 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 25 » Thomas Goldsmith Jr. files a patent for a "Cathode Ray Tube Amusement Device", the first ever electronic game.
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 17 » The Radcliffe Line, the border between the Dominions of India and Pakistan, is revealed.
September 9 » First case of a computer bug being found: A moth lodges in a relay of a Harvard Mark II computer at Harvard University.
October 26 » Kashmir conflict: The Maharaja of Kashmir and Jammu signs the Instrument of Accession with India.
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.
When copying data from this family tree, please include a reference to the origin: Jelle Reitsma, "Voor- & nageslacht Sietsma - Oudega (Small.) ", database, Genealogy Online (https://www.genealogieonline.nl/voor-en-nageslacht-sietsma-oudega/I2686.php : accessed June 11, 2024), "Abraham Vogelzang (1947-2022)".
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