The temperature on April 10, 1961 was between 4.7 °C and 16.1 °C and averaged 9.9 °C. There was 11.2 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
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 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
September 18 » U.N. Secretary-General Dag Hammarskjöld dies in an air crash while attempting to negotiate peace in the Katanga region of the Democratic Republic of the Congo.
October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
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: Wesley Brown, "The Brown Tree", database, Genealogy Online (https://www.genealogieonline.nl/the-brown-tree/P854.php : accessed February 2, 2026), "Bernard CUNNINGHAM (± 1908-1961)".
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