The temperature on December 20, 1969 was between -11.2 °C and -5.7 °C and averaged -8.5 °C. There was 3.9 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
April 1 » The Hawker Siddeley Harrier, the first operational fighter aircraft with Vertical/Short Takeoff and Landing capabilities, enters service with the Royal Air Force.
April 17 » Communist Party of Czechoslovakia chairman Alexander Dubček is deposed.
May 18 » Apollo program: Apollo 10 is launched.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
November 17 » Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, Finland to begin SALT I negotiations aimed at limiting the number of strategic weapons on both sides.
When copying data from this family tree, please include a reference to the origin: Kees den Elzen, "Family tree Den Elzen - Bollenstreek", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-elzen/I87756.php : accessed June 3, 2024), "Christina van den Berg (1884-1969)".
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