The temperature on August 23, 1957 was between 6.0 °C and 20.6 °C and averaged 14.4 °C. There was 0.3 mm of rain during 0.4 hours. There was 9.9 hours of sunshine (70%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 11 » United Kingdom agrees to Singaporean self-rule.
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.
July 25 » The Tunisian King Muhammad VIII al-Amin is replaced by President Habib Bourguiba.
July 26 » Carlos Castillo Armas, dictator of Guatemala, is assassinated.
September 29 » The Kyshtym disaster is the third-worst nuclear accident ever recorded.
October 14 » The 23rd Canadian Parliament becomes the only one to be personally opened by the Queen of Canada.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I6797.php : accessed February 9, 2026), "Jannie Meinten (1957-)".
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