The temperature on August 5, 1953 was between 14.4 °C and 18.6 °C and averaged 16.8 °C. There was 1.7 mm of rain during 0.6 hours. There was 1.5 hours of sunshine (10%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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.
June 8 » The United States Supreme Court rules in District of Columbia v. John R. Thompson Co. that restaurants in Washington, D.C., cannot refuse to serve black patrons.
August 12 » The 7.2 Ms Ionian earthquake shakes the southern Ionian Islands with a maximum Mercalli intensity of X (Extreme). Between 445 and 800 people are killed.
September 21 » Lieutenant No Kum-sok, a North Korean pilot, defects to South Korea with his jet fighter.
October 29 » BCPA Flight 304 DC-6 crashes near San Francisco.
When copying data from this family tree, please include a reference to the origin: Gerrit Hulleman, "Family tree Hulleman Hoog Soeren", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hulleman-hoog-soeren/I23462.php : accessed June 14, 2024), "Leen de Jager (????-1982)".
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