The temperature on August 9, 1957 was between 14.1 °C and 22.7 °C and averaged 17.8 °C. There was 12.7 mm of rain during 2.4 hours. There was 2.2 hours of sunshine (15%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
September 19 » Plumbbob Rainier becomes the first nuclear explosion to be entirely contained underground, producing no fallout.
November 1 » The Mackinac Bridge, the world's longest suspension bridge between anchorages at the time, opens to traffic connecting Michigan's upper and lower peninsulas.
November 3 » Sputnik program: The Soviet Union launches Sputnik 2. On board is the first animal to enter orbit, a dog named Laika.
December 20 » The initial production version of the Boeing 707 makes its first flight.
Day of death July 27, 1971
The temperature on July 27, 1971 was between 12.5 °C and 23.5 °C and averaged 18.9 °C. There was 0.8 mm of rain during 1.7 hours. There was 2.1 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I549572.php : accessed February 6, 2026), "Cornelis Petrus Maria van de Klundert (1957-1971)".
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