The temperature on September 20, 1955 was between 7.0 °C and 20.7 °C and averaged 13.5 °C. There was 9.9 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 24 » The Bandung Conference ends: Twenty-nine non-aligned nations of Asia and Africa finish a meeting that condemns colonialism, racism, and the Cold War.
June 11 » Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
November 19 » National Review publishes its first issue.
December 20 » Cardiff is proclaimed the capital city of Wales, United Kingdom.
When copying data from this family tree, please include a reference to the origin: Willem van Gemert, "Family tree Van Gemert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-gemert/I488.php : accessed January 17, 2026), "Thomas Gerard van Alphen (-1955)".
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