The temperature on July 17, 1953 was between 14.4 °C and 22.7 °C and averaged 17.8 °C. There was 4.0 mm of rain during 3.3 hours. There was 4.5 hours of sunshine (28%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 13 » An article appears in Pravda accusing some of the most prestigious and prominent doctors, mostly Jews, in the Soviet Union of taking part in a vast plot to poison members of the top Soviet political and military leadership.
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
April 8 » Mau Mau leader Jomo Kenyatta is convicted by British Kenya's rulers.
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
September 13 » Nikita Khrushchev is appointed General Secretary of the Communist Party of the Soviet Union.
November 23 » Pilot Felix Moncla and Lieutenant Robert Wilson disappear while in pursuit of a mysterious craft over Lake Superior.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I19013.php : accessed January 18, 2026), "Petronella Dorothea Pretorius (1920-1953)".
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