The temperature on September 25, 1957 was between 8.2 °C and 12.8 °C and averaged 10.3 °C. There was 6.2 mm of rain during 5.7 hours. There was 0.7 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 3 » The Hamilton Watch Company introduces the first electric watch.
January 23 » American inventor Walter Frederick Morrison sells the rights to his flying disc to the Wham-O toy company, which later renames it the "Frisbee".
May 22 » South Africa's government approves of racial separation in universities.
October 10 » The Windscale fire results in Britain's worst nuclear accident.
November 3 » Sputnik program: The Soviet Union launches Sputnik 2. On board is the first animal to enter orbit, a dog named Laika.
November 8 » Pan Am Flight 7 disappears between San Francisco and Honolulu. Wreckage and bodies are discovered a week later.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I30947.php : accessed March 1, 2026), "Christina Elisabeth Cornelia Adriana Donders (1940-1957)".
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