The temperature on November 30, 1957 was between -3.1 °C and 2.8 °C and averaged -0.7 °C. There was 4.9 hours of sunshine (60%). The almost cloudless was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 1 » Lèse majesté in Thailand was strengthened to include "insult" and changed to a crime against national security, after Thai criminal code of 1956 went into effect.
January 11 » The African Convention is founded in Dakar, Senegal.
February 18 » Walter James Bolton becomes the last person legally executed in New Zealand.
April 10 » The Suez Canal is reopened for all shipping after being closed for three months.
July 6 » Althea Gibson wins the Wimbledon championships, becoming the first black athlete to do so.
August 21 » The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
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/I14000.php : accessed February 6, 2026), "Jacob Gustav Letterstedt Dreyer (1885-1957)".
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