The temperature on August 27, 1957 was between 10.2 °C and 17.1 °C and averaged 13.5 °C. There was 3.3 mm of rain during 0.8 hours. There was 5.5 hours of sunshine (39%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 22 » Israel withdraws from the Sinai Peninsula.
May 15 » At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple.
May 22 » South Africa's government approves of racial separation in universities.
July 11 » Prince Karim Husseini Aga Khan IV inherits the office of Imamat as the 49th Imam of Shia Imami Ismai'li worldwide, after the death of Sir Sultan Mahommed Shah Aga Khan III.
November 7 » Cold War: The Gaither Report calls for more American missiles and fallout shelters.
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: Helma Bovenschen-van Gelderen, "Genealogy Bovenschen, Looijenga, Van Gelderen en Van Donk", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-bovenschen/I167828.php : accessed June 20, 2024), "Betty van Ryswyk (1957-1957)".
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