The temperature on July 28, 1961 was between 11.7 °C and 18.6 °C and averaged 14.4 °C. There was 3.6 mm of rain during 5.3 hours. There was 7.8 hours of sunshine (50%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
April 16 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
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).
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I14495.php : accessed February 17, 2026), "Beth Lynn Schochenmaier (1961-)".
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