The temperature on February 21, 1954 was between -1.7 °C and 3.7 °C and averaged 0.5 °C. There was 1.1 hours of sunshine (11%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 15 » Canada and the United States agree to construct the Distant Early Warning Line, a system of radar stations in the far northern Arctic regions of Canada and Alaska.
March 26 » Nuclear weapons testing: The Romeo shot of Operation Castle is detonated at Bikini Atoll. Yield: 11 megatons.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
September 9 » The 6.7 Mw Chlef earthquake shakes northern Algeria with a maximum Mercalli intensity of XI (Extreme). At least 1,243 people were killed and 5,000 were injured.
October 18 » Texas Instruments announces the first transistor radio.
December 4 » The first Burger King is opened in Miami, Florida.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I268476.php : accessed February 21, 2026), "Johannes Cornelis Maria Oprins (1954-)".
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