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
February 21 » The CND symbol, aka peace symbol, commissioned by the Direct Action Committee in protest against the Atomic Weapons Research Establishment, is designed and completed by Gerald Holtom.
April 21 » United Airlines Flight 736 collides into a United States Air Force fighter jet near Arden, Nevada in what is now Enterprise, Nevada.
May 9 » Alfred Hitchcock's film Vertigo has world premiere in San Francisco.
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.
October 11 » NASA launches Pioneer 1, its first space probe, although it fails to achieve a stable orbit.
December 9 » The John Birch Society is founded in the United States.
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 5, 2026), "Peter Mork (1883-1958)".
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