The temperature on February 18, 1958 was between -0.8 °C and 4.3 °C and averaged 0.8 °C. There was 0.6 mm of rain during 0.6 hours. There was 4.5 hours of sunshine (44%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 31 » Cold War: Space Race: The first successful American satellite detects the Van Allen radiation belt.
July 1 » Flooding of Canada's Saint Lawrence Seaway begins.
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.
September 2 » United States Air Force C-130A-II is shot down by fighters over Yerevan in Armenia when it strays into Soviet airspace while conducting a sigint mission. All crew members are killed.
September 12 » Jack Kilby demonstrates the first working integrated circuit while working at Texas Instruments.
November 12 » A team of rock climbers led by Warren Harding completes the first ascent of The Nose on El Capitan in Yosemite Valley.
When copying data from this family tree, please include a reference to the origin: Rebecca Gibson, "Hamerslag Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/hamerslag-family-tree/P767.php : accessed May 10, 2025), "Clara Bateman (< 1883-1958)".
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