The temperature on June 15, 1955 was between 8.4 °C and 17.4 °C and averaged 14.0 °C. There was 2.0 mm of rain during 2.2 hours. There was 2.2 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
July 9 » The Russell–Einstein Manifesto calls for a reduction of the risk of nuclear warfare.
July 17 » Disneyland is dedicated and opened by Walt Disney in Anaheim, California.
September 25 » The Royal Jordanian Air Force is founded.
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/I20965.php : accessed May 4, 2025), "Anna Catherina Barendina Toerien (1954-1955)".
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