The temperature on September 30, 1947 was between 6.5 °C and 16.0 °C and averaged 10.9 °C. There was 1.1 mm of rain during 0.4 hours. There was 7.8 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 25 » Thomas Goldsmith Jr. files a patent for a "Cathode Ray Tube Amusement Device", the first ever electronic game.
March 12 » Cold War: The Truman Doctrine is proclaimed to help stem the spread of Communism.
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.
December 2 » Jerusalem Riots of 1947: Riots break out in Jerusalem in response to the United Nations Partition Plan for Palestine.
December 23 » The transistor is first demonstrated at Bell Laboratories.
Day of death April 1, 1958
The temperature on April 1, 1958 was between -1.9 °C and 6.2 °C and averaged 1.8 °C. There was 11.8 hours of sunshine (91%). The almost cloudless was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 31 » In the Canadian federal election, the Progressive Conservatives, led by John Diefenbaker, win the largest percentage of seats in Canadian history, with 208 seats of 265.
April 13 » American pianist Van Cliburn is awarded first prize at the inaugural International Tchaikovsky Competition in Moscow.
May 13 » Ben Carlin becomes the first (and only) person to circumnavigate the world by amphibious vehicle, having travelled over 17,000 kilometres (11,000mi) by sea and 62,000 kilometres (39,000mi) by land during a ten-year journey.
September 1 » Iceland expands its fishing zone, putting it into conflict with the United Kingdom, beginning the Cod Wars.
October 27 » Iskander Mirza, the first President of Pakistan, is deposed by General Ayub Khan, who had been appointed the enforcer of martial law by Mirza 20 days earlier.
December 1 » The Central African Republic attains self-rule within the French Union.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I20344.php : accessed January 18, 2026), "Tjaart Jan Marten Nieveen (1947-1958)".
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