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 1 » George Town, Penang, is made a city by a royal charter of Queen Elizabeth II of the United Kingdom.
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 9 » The Suez Canal in Egypt is cleared and opens to shipping following the Suez Crisis.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
September 25 » Central High School in Little Rock, Arkansas, is integrated by the use of United States Army troops.
November 3 » Sputnik program: The Soviet Union launches Sputnik 2. On board is the first animal to enter orbit, a dog named Laika.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I5940.php : accessed January 21, 2026), "Hester Susanna Pieterse (1871-1957)".
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