The temperature on April 6, 1957 was between 5.5 °C and 10.2 °C and averaged 8.2 °C. There was 0.8 mm of rain during 0.8 hours. There was 1.9 hours of sunshine (14%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. 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.
April 24 » Suez Crisis: The Suez Canal is reopened following the introduction of UNEF peacekeepers to the region.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
July 6 » Althea Gibson wins the Wimbledon championships, becoming the first black athlete to do so.
September 29 » The Kyshtym disaster is the third-worst nuclear accident ever recorded.
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.
When copying data from this family tree, please include a reference to the origin: C.N. Cardinaal, "Family tree Cardinaal", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cardinaal/I5564.php : accessed May 5, 2024), "Marjan Louise Molenaar (1957-)".
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