The temperature on August 17, 1957 was between 14.2 °C and 18.7 °C and averaged 15.4 °C. There was 9.1 mm of rain during 4.7 hours. There was 0.2 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 22 » Israel withdraws from the Sinai Peninsula.
April 11 » United Kingdom agrees to Singaporean self-rule.
June 24 » In Roth v. United States, the U.S. Supreme Court rules that obscenity is not protected by the First Amendment.
November 3 » Sputnik program: The Soviet Union launches Sputnik 2. On board is the first animal to enter orbit, a dog named Laika.
November 14 » The "Apalachin Meeting" in rural Tioga County in upstate New York is raided by law enforcement; many high level Mafia figures are arrested while trying to flee.
December 20 » The initial production version of the Boeing 707 makes its first flight.
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/I17092.php : accessed January 6, 2026), "Gerhardus Swanepoel (1888-1957)".
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