The temperature on May 25, 1957 was between 6.0 °C and 16.6 °C and averaged 11.5 °C. There was 15.0 hours of sunshine (93%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 13 » Cuban student revolutionaries storm the presidential palace in Havana in a failed attempt on the life of President Fulgencio Batista.
April 10 » The Suez Canal is reopened for all shipping after being closed for three months.
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.
October 14 » At least 81 people are killed in the most devastating flood in the history of the Spanish city of Valencia.
October 22 » Vietnam War: First United States casualties in Vietnam.
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.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Jan Thonis", database, Genealogy Online (https://www.genealogieonline.nl/jan-thonis/I46582.php : accessed February 25, 2026), "Elisabeth Evertje Annemarie Kamphorst (1957-2023)".
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