The temperature on July 31, 1955 was between 11.8 °C and 18.4 °C and averaged 15.7 °C. There was 1.1 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
February 18 » Operation Teapot: Teapot test shot "Wasp" is successfully detonated at the Nevada Test Site with a yield of 1.2 kilotons. Wasp is the first of fourteen shots in the Teapot series.
April 18 » Twenty-nine nations meet at Bandung, Indonesia, for the first Asian-African Conference.
May 14 » Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.
June 14 » Chile becomes a signatory to the Buenos Aires copyright treaty.
July 17 » Disneyland is dedicated and opened by Walt Disney in Anaheim, California.
December 8 » The Flag of Europe is adopted by Council of Europe.
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/I8305.php : accessed January 25, 2026), "Johannes Cornelis Dreyer (1908-1955)".
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