The temperature on January 20, 1953 was between -1.0 °C and 7.5 °C and averaged 3.9 °C. There was 0.1 hours of sunshine (1%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
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 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.
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.
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.
October 1 » A Mutual Defense Treaty Between the United States and the Republic of Korea is concluded in Washington, D.C.
Day of death May 23, 1954
The temperature on May 23, 1954 was between 3.9 °C and 16.1 °C and averaged 10.0 °C. There was 0.6 mm of rain during 0.9 hours. There was 6.7 hours of sunshine (42%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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/I17080.php : accessed January 16, 2026), "Jan Johannes Dreyer (1953-1954)".
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