The temperature on August 19, 1961 was between 12.3 °C and 16.5 °C and averaged 14.2 °C. There was 13.7 mm of rain during 6.5 hours. There was 2.1 hours of sunshine (15%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 8 » A large explosion on board the MVDara in the Persian Gulf kills 238.
May 9 » FCC Chairman Newton N. Minow gives his Wasteland Speech.
July 21 » Mercury program: Mercury-Redstone 4 Mission: Gus Grissom piloting Liberty Bell 7 becomes the second American to go into space (in a suborbital mission).
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
October 29 » Syria exits from the United Arab Republic.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I248337.php : accessed February 26, 2026), "Helena Gezina "Leentje" Pots (± 1944-1961)".
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