The temperature on March 1, 1923 was between 4.0 °C and 8.8 °C and averaged 6.3 °C. There was 1.2 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
April 15 » Insulin becomes generally available for use by people with diabetes.
June 18 » Checker Taxi puts its first taxi on the streets.
September 29 » The First American Track & Field championships for women are held.
October 16 » The Walt Disney Company is founded.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death August 14, 1954
The temperature on August 14, 1954 was between 10.0 °C and 19.9 °C and averaged 14.9 °C. There was 0.2 mm of rain during 0.2 hours. There was 3.6 hours of sunshine (24%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 7 » Georgetown-IBM experiment: The first public demonstration of a machine translation system is held in New York at the head office of IBM.
January 21 » The first nuclear-powered submarine, the USSNautilus, is launched in Groton, Connecticut by Mamie Eisenhower, the First Lady of the United States.
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
September 30 » The U.S. Navy submarine USSNautilus is commissioned as the world's first nuclear-powered vessel.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I9825.php : accessed February 20, 2026), "Wilhelmus Petrus van de Groenendaal (1923-1954)".
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