The temperature on March 19, 1961 was between -0.3 °C and 7.9 °C and averaged 3.6 °C. There was 0.3 mm of rain during 0.3 hours. There was 5.2 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
March 29 » The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C., to vote in presidential elections.
May 9 » FCC Chairman Newton N. Minow gives his Wasteland Speech.
July 4 » On its maiden voyage, the Soviet nuclear-powered submarine K-19 suffers a complete loss of coolant to its reactor. The crew are able to effect repairs, but 22 of them die of radiation poisoning over the following two years.
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
December 31 » RTÉ, Ireland's state broadcaster, launches its first national television service.
When copying data from this family tree, please include a reference to the origin: Martien Mantel, "Genealogy N.P. Mantel", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-mantel/I79143.php : accessed June 24, 2024), "Ngadinem (± 1894-1961)".
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