The temperature on May 14, 1957 was between 6.7 °C and 19.7 °C and averaged 14.1 °C. There was 9.0 hours of sunshine (58%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 22 » Ngô Đình Diệm of South Vietnam survives a communist shooting assassination attempt in Buôn Ma Thuột.
March 31 » Elections to the Territorial Assembly of the French colony Upper Volta are held. After the elections PDU and MDV form a government.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
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.
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.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I182227.php : accessed December 28, 2025), "Johanna Bos (1873-1957)".
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