The temperature on March 11, 1961 was between 5.9 °C and 10.9 °C and averaged 8.3 °C. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 20 » John F. Kennedy is inaugurated the 35th President of the United States of America, becoming the second youngest man to take the office, and the first Catholic.
March 15 » At the 1961 Commonwealth Prime Ministers' Conference, South Africa announces that it will withdraw from the Commonwealth when the South African Constitution of 1961 comes into effect.
September 12 » The African and Malagasy Union is founded.
November 18 » United States President John F. Kennedy sends 18,000 military advisors to South Vietnam.
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.
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: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P25078.php : accessed February 14, 2026), "Katherine Beekman Hoppin (1874-1961)".
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