The temperature on September 27, 1953 was between 9.1 °C and 21.0 °C and averaged 15.3 °C. There was 3.7 hours of sunshine (31%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 8 » Mau Mau leader Jomo Kenyatta is convicted by British Kenya's rulers.
August 10 » First Indochina War: The French Union withdraws its forces from Operation Camargue against the Viet Minh in central Vietnam.
August 19 » Cold War: The CIA and MI6 help to overthrow the government of Mohammad Mosaddegh in Iran and reinstate the Shah Mohammad Reza Pahlavi.
September 7 » Nikita Khrushchev is elected first secretary of the Communist Party of the Soviet Union.
September 21 » Lieutenant No Kum-sok, a North Korean pilot, defects to South Korea with his jet fighter.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I6423.php : accessed October 3, 2026), "Johannes Adriaan van DUIN (1901-1953)".
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