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 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
September 17 » The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.
October 1 » The United States Defense Intelligence Agency is formed, becoming the country's first centralized military intelligence organization.
November 18 » United States President John F. Kennedy sends 18,000 military advisors to South Vietnam.
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 27, 2026), "David Daniel Botha (1891-1961)".
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