The temperature on March 27, 1957 was between 4.6 °C and 12.2 °C and averaged 8.9 °C. There was 8.5 mm of rain during 8.2 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 14 » Kripalu Maharaj was named fifth Jagadguru (world teacher) after giving seven days of speeches before 500 Hindu scholars.
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 6 » Greek shipping tycoon Aristotle Onassis buys the Hellenic National Airlines (TAE) and founds Olympic Airlines.
April 11 » United Kingdom agrees to Singaporean self-rule.
August 21 » The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
September 22 » In Haiti, François Duvalier is elected president.
When copying data from this family tree, please include a reference to the origin: G. de Roller, "De Roller Stamboom", database, Genealogy Online (https://www.genealogieonline.nl/de-roller-stamboom/I5546.php : accessed February 1, 2026), "Hillegonda Willemina Johanna Gerhardina Schiethart (1917-1957)".
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