The average temperature on February 6, 1953 was -2 °C. There was 1.3 mm of rain during 3.8 hours. There was 2.4 hours of sunshine (26%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 20 » Dwight D. Eisenhower is inaugurated as the 34th President of the United States of America.
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
June 30 » The first Chevrolet Corvette rolls off the assembly line in Flint, Michigan.
August 12 » The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb.
November 21 » The Natural History Museum, London announces that the "Piltdown Man" skull, initially believed to be one of the most important fossilized hominid skulls ever found, is a hoax.
When copying data from this family tree, please include a reference to the origin: Jan Werkman, "Family tree Jan Werkman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jan-werkman/I127243.php : accessed May 11, 2024), "Janneke Kersaan (1953-2022)".
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