The temperature on March 12, 1958 was between -7.6 °C and 3.3 °C and averaged -2.1 °C. There was 4.3 hours of sunshine (37%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 23 » After a general uprising and rioting in the streets, President Marcos Pérez Jiménez leaves Venezuela.
February 3 » Founding of the Benelux Economic Union, creating a testing ground for a later European Economic Community.
March 26 » The United States Army launches Explorer 3.
May 13 » Ben Carlin becomes the first (and only) person to circumnavigate the world by amphibious vehicle, having travelled over 17,000 kilometres (11,000mi) by sea and 62,000 kilometres (39,000mi) by land during a ten-year journey.
October 26 » Pan American Airways makes the first commercial flight of the Boeing 707 from New York City to Paris.
October 27 » Iskander Mirza, the first President of Pakistan, is deposed by General Ayub Khan, who had been appointed the enforcer of martial law by Mirza 20 days earlier.
When copying data from this family tree, please include a reference to the origin: Keith Mann Spencer, "Mann Spencer Tree", database, Genealogy Online (https://www.genealogieonline.nl/mann-spencer-tree/P1774.php : accessed January 26, 2026), "Margaret Wiltsie (1697-1958)".
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