The temperature on September 11, 1953 was between 9.2 °C and 15.9 °C and averaged 13.1 °C. There was 0.6 mm of rain during 1.3 hours. There was 1.7 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 19 » Almost 72 percent of all television sets in the United States are tuned into I Love Lucy to watch Lucy give birth.
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).
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
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.
September 13 » Nikita Khrushchev is appointed General Secretary of the Communist Party of the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Arie Keijzer, "Genealogy Keijzer", database, Genealogy Online (https://www.genealogieonline.nl/familie-keijzer/I31137.php : accessed June 24, 2024), "NN Fix (1953)".
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