The temperature on November 21, 1961 was between -3.1 °C and 4.6 °C and averaged 0.3 °C. There was 7.2 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
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 14 » A USAF B-52 bomber crashes near near Yuba City, California whilst carrying nuclear weapons.
April 12 » Cold War: Space Race: The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, Vostok 1.
September 28 » A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
October 27 » NASA tests the first Saturn I rocket in Mission Saturn-Apollo 1.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I37992.php : accessed February 7, 2026), "Maria Cornelia de Meijer (-1961)".
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