The temperature on April 11, 1957 was between 0.6 °C and 8.9 °C and averaged 5.0 °C. There was 10.6 hours of sunshine (78%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 17 » A plane crash in Cebu, Philippines kills Philippine President Ramon Magsaysay and 24 others.
May 22 » South Africa's government approves of racial separation in universities.
June 10 » John Diefenbaker leads the Progressive Conservative Party of Canada to a stunning upset in the 1957 Canadian federal election, ending 22 years of Liberal Party government.
July 1 » The International Geophysical Year begins.
September 29 » The Kyshtym disaster is the third-worst nuclear accident ever recorded.
October 10 » The Windscale fire results in Britain's worst nuclear accident.
When copying data from this family tree, please include a reference to the origin: Kees Overvliet, "Braster family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-braster/I2279.php : accessed February 24, 2026), "Gerrit Bout (1872-1957)".
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