The temperature on July 17, 1957 was between 8.7 °C and 21.7 °C and averaged 16.4 °C. There was 0.7 mm of rain during 0.6 hours. There was 9.7 hours of sunshine (60%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 5 » In a speech given to the United States Congress, United States President Dwight D. Eisenhower announces the establishment of what will later be called the Eisenhower Doctrine.
April 6 » Greek shipping tycoon Aristotle Onassis buys the Hellenic National Airlines (TAE) and founds Olympic Airlines.
June 9 » First ascent of Broad Peak by Fritz Wintersteller, Marcus Schmuck, Kurt Diemberger, and Hermann Buhl.
July 29 » The International Atomic Energy Agency is established.
November 7 » Cold War: The Gaither Report calls for more American missiles and fallout shelters.
December 17 » The United States successfully launches the first Atlas intercontinental ballistic missile at Cape Canaveral, Florida.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I7676.php : accessed December 26, 2025), "Willemina Overgoor (1870-1957)".
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