The temperature on April 3, 1957 was between 3.4 °C and 15.2 °C and averaged 7.7 °C. There was 0.1 mm of rain. There was 7.4 hours of sunshine (57%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
May 22 » South Africa's government approves of racial separation in universities.
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.
August 31 » The Federation of Malaya (now Malaysia) gains its independence from the United Kingdom.
November 1 » The Mackinac Bridge, the world's longest suspension bridge between anchorages at the time, opens to traffic connecting Michigan's upper and lower peninsulas.
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: Jan J.W. Baas, "Family tree Baas-Vanheeswijck", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-baas-vanheeswijck/I66672.php : accessed June 15, 2024), "N Maesen (1957)".
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