The temperature on April 22, 1958 was between 5.7 °C and 11.3 °C and averaged 8.6 °C. There was 0.1 mm of rain during 0.3 hours. There was 6.7 hours of sunshine (47%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 17 » The United States launches the first solar-powered satellite.
May 15 » The Soviet Union launches Sputnik 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.
August 17 » Pioneer 0, America's first attempt at lunar orbit, is launched using the first Thor-Able rocket and fails. Notable as one of the first attempted launches beyond Earth orbit by any country.
August 29 » United States Air Force Academy opens in Colorado Springs, Colorado.
December 5 » The Preston By-pass, the UK's first stretch of motorway, opens to traffic for the first time. (It is now part of the M6 and M55 motorways.)
When copying data from this family tree, please include a reference to the origin: Pem Kalshoven, "Genealogy Kalshoven", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-baert-cornelis-kalshoven/I35083.php : accessed June 19, 2024), "Cornelia Josephina Valkenburg (1958-1958)".
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