The temperature on May 7, 1961 was between 8.5 °C and 15.6 °C and averaged 12.3 °C. There was 2.3 mm of rain during 2.0 hours. There was 10.6 hours of sunshine (70%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 30 » K-19, the first Soviet nuclear submarine equipped with nuclear missiles, is commissioned.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
June 16 » While on tour with the Kirov Ballet in Paris, Rudolf Nureyev defects from the Soviet Union.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
September 18 » CONCACAF is established as the governing body for association football in North America, Central America and the Caribbean.
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: Bob Smith, "Family tree Smith", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-smith/I15534.php : accessed January 15, 2026), "Sophia Mathilda Joannes (± 1885-1961)".
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