The temperature on March 17, 1954 was between -0.4 °C and 8.6 °C and averaged 3.7 °C. There was 4.9 hours of sunshine (41%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
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 » Armed Puerto Rican nationalists attack the United States Capitol building, injuring five Representatives.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
May 17 » The United States Supreme Court hands down a unanimous decision in Brown v. Board of Education of Topeka, Kansas, outlawing racial segregation in public schools.
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 27 » Benjamin O. Davis, Jr. becomes the first African-American general in the United States Air Force.
When copying data from this family tree, please include a reference to the origin: Martin Hoekstra, "Genealogy Hoekstra, Van Berkel, Oversluizen en Van Roon", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-hoekstra-van-berkel-oversluizen-en-van-roon/I3988.php : accessed May 22, 2024), "Johannes Hendricus van Berkel (1954-2019)".
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