The temperature on August 2, 1957 was between 10.2 °C and 19.6 °C and averaged 15.9 °C. There was 13.0 hours of sunshine (84%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
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".
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
April 10 » The Suez Canal is reopened for all shipping after being closed for three months.
July 6 » John Lennon and Paul McCartney meet for the first time, as teenagers at Woolton Fete, three years before forming the Beatles.
November 3 » Sputnik program: The Soviet Union launches Sputnik 2. On board is the first animal to enter orbit, a dog named Laika.
November 7 » Cold War: The Gaither Report calls for more American missiles and fallout shelters.
Day of death August 4, 1957
The temperature on August 4, 1957 was between 10.5 °C and 20.4 °C and averaged 15.7 °C. There was 12.1 hours of sunshine (79%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I16673.php : accessed February 3, 2026), "Anna Jacoba Kouwen (1957-1957)".
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