The temperature on September 13, 1958 was between 9.8 °C and 21.2 °C and averaged 14.9 °C. There was 10.1 hours of sunshine (78%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 4 » Sputnik 1, the first artificial Earth satellite, launched by the Soviet Union in 1957, falls to Earth from orbit.
March 26 » The United States Army launches Explorer 3.
May 30 » Memorial Day: The remains of two unidentified American servicemen, killed in action during World War II and the Korean War respectively, are buried at the Tomb of the Unknown Soldier in Arlington National Cemetery.
September 12 » Jack Kilby demonstrates the first working integrated circuit while working at Texas Instruments.
November 28 » Chad, the Republic of the Congo, and Gabon become autonomous republics within the French Community.
December 14 » The 3rd Soviet Antarctic Expedition becomes the first to reach the southern pole of inaccessibility.
When copying data from this family tree, please include a reference to the origin: T.J. Mitchell, "Mitchell/Stewart Tree", database, Genealogy Online (https://www.genealogieonline.nl/mitchell-stewart-tree/P777.php : accessed February 22, 2026), "Peter Mork (1883-1958)".
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