The temperature on May 14, 1961 was between 6.6 °C and 13.7 °C and averaged 9.9 °C. There was 0.1 mm of rain during 0.2 hours. There was 2.1 hours of sunshine (13%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
March 14 » A USAF B-52 bomber crashes near near Yuba City, California whilst carrying nuclear weapons.
May 5 » Alan Shepard becomes the first American to travel into outer space, on a sub-orbital flight.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
July 19 » Tunisia imposes a blockade on the French naval base at Bizerte; the French would capture the entire town four days later.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I16185.php : accessed January 28, 2026), "David Daniel Botha (1891-1961)".
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