The temperature on March 1, 1961 was between 2.9 °C and 8.6 °C and averaged 5.7 °C. There was 1.0 hours of sunshine (9%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
February 12 » The Soviet Union launches Venera 1 towards Venus.
May 25 » Apollo program: U.S. President John F. Kennedy announces, before a special joint session of the U.S. Congress, his goal to initiate a project to put a "man on the Moon" before the end of the decade.
June 4 » Cold War: In the Vienna summit, the Soviet premier Nikita Khrushchev sparks the Berlin Crisis by threatening to sign a separate peace treaty with East Germany and ending American, British and French access to East Berlin.
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
December 2 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
When copying data from this family tree, please include a reference to the origin: G. Mertens, "Family tree Mertens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mertens/I29547.php : accessed September 25, 2024), "Catharina Nijssen (1884-1961)".
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