The temperature on July 30, 1958 was between 12.1 °C and 20.5 °C and averaged 16.2 °C. There was 0.1 mm of rain during 0.5 hours. There was 6.2 hours of sunshine (40%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 26 » The United States Army launches Explorer 3.
April 13 » American pianist Van Cliburn is awarded first prize at the inaugural International Tchaikovsky Competition in Moscow.
August 18 » Brojen Das from Bangladesh swims across the English Channel in a competition, as the first Bengali and the first Asian to do so. He came first among 39 competitors.
September 12 » Jack Kilby demonstrates the first working integrated circuit while working at Texas Instruments.
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.
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/I306175.php : accessed February 23, 2026), "Adrianus van der Velden (± 1890-1958)".
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