The temperature on April 4, 1958 was between 5.3 °C and 9.2 °C and averaged 7.4 °C. There was 1.4 mm of rain during 2.8 hours. There was 2.3 hours of sunshine (18%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 17 » The United States launches the first solar-powered satellite.
March 26 » The United States Army launches Explorer 3.
September 14 » The first two German post-war rockets, designed by the German engineer Ernst Mohr, reach the upper atmosphere.
October 1 » The National Advisory Committee for Aeronautics is replaced by NASA.
October 7 » The 1958 Pakistani coup d'état inaugurates a prolonged period of military rule.
November 28 » First successful flight of SM-65 Atlas; the first operational intercontinental ballistic missile (ICBM), developed by the United States and the first member of the Atlas rocket family.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I411331.php : accessed January 30, 2026), "Jans Enting (1958-2024)".
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