The temperature on May 13, 1961 was between 8.3 °C and 16.8 °C and averaged 12.4 °C. There was 8.6 hours of sunshine (55%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
January 27 » The Soviet submarine S-80 sinks when its snorkel malfunctions, flooding the boat.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
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.
June 19 » Kuwait declares independence from the United Kingdom.
August 25 » President Jânio Quadros of Brazil resigns after just seven months in power, initiating a political crisis that culminates in a military coup in 1964.
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: B. Hoegee, "Family tree Hoegee", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hoegee/I290.php : accessed January 6, 2026), "Cornelis Adrianus Bongers (-1961)".
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