The temperature on May 20, 1957 was between 7.0 °C and 15.4 °C and averaged 11.6 °C. There was 0.3 mm of rain during 0.3 hours. There was 8.0 hours of sunshine (50%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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".
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.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
July 28 » Heavy rain and a mudslide in Isahaya, western Kyushu, Japan, kills 992.
August 21 » The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
October 22 » Vietnam War: First United States casualties in Vietnam.
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/I312588.php : accessed March 15, 2026), "N.N. Vermonden (1957-1957)".
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