The temperature on June 21, 1961 was between 10.8 °C and 20.4 °C and averaged 15.3 °C. There was 10.7 hours of sunshine (64%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
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).
September 11 » Hurricane Carla strikes the Texas coast as a Category 4 hurricane, the second strongest storm ever to hit the state.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
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: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I1904.php : accessed October 22, 2026), "Pieternella Milhous (± 1903-1961)".
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