The temperature on December 17, 1955 was between 1.3 °C and 9.1 °C and averaged 5.9 °C. There was 5.9 mm of rain during 5.4 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
May 9 » Cold War: West Germany joins NATO.
May 14 » Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.
May 25 » In the United States, a night-time F5 tornado strikes the small city of Udall, Kansas, killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.
July 9 » The Russell–Einstein Manifesto calls for a reduction of the risk of nuclear warfare.
November 19 » National Review publishes its first issue.
When copying data from this family tree, please include a reference to the origin: Claudia Vreugdenhil, "Family tree Kaptein", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaptein/I22983.php : accessed February 27, 2026), "Catharina Maria "Rina" Kaptein (1955-2020)".
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