The temperature on January 12, 1961 was between -4.1 °C and 3.2 °C and averaged -0.3 °C. There was 1.7 hours of sunshine (21%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 25 » 101 Dalmatians premiered from Walt Disney Productions.
February 27 » The first congress of the Spanish Trade Union Organisation is inaugurated.
April 25 » Robert Noyce is granted a patent for an integrated circuit.
April 30 » K-19, the first Soviet nuclear submarine equipped with nuclear missiles, is commissioned.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
When copying data from this family tree, please include a reference to the origin: Randy James Hammock, "RanHam Tree", database, Genealogy Online (https://www.genealogieonline.nl/ranham-tree/P298.php : accessed October 22, 2026), "David J. Copenhaver (± 1875-1961)".
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