The temperature on December 18, 1947 was between -5.0 °C and 3.4 °C and averaged -0.2 °C. There was 6.7 hours of sunshine (87%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 9 » United Nations Security Council Resolution 22 relating to Corfu Channel incident is adopted.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
July 6 » The AK-47 goes into production in the Soviet Union.
July 8 » Reports are broadcast that a UFO crash landed in Roswell, New Mexico in what became known as the Roswell UFO incident.
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.
September 15 » Typhoon Kathleen hit the Kantō region in Japan killing 1,077.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I21124.php : accessed May 3, 2025), "Johanna Catrina de Jager (1947-1947)".
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