The average temperature on April 10, 1958 was 2.4 °C. There was 2.4 mm of rain during 1.7 hours. There was 7.2 hours of sunshine (53%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the north-northwest. Source: KNMI
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.
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.
October 2 » Guinea declares its independence from France.
October 7 » The U.S. manned space-flight project is renamed Project Mercury.
October 28 » John XXIII is elected Pope.
November 28 » Chad, the Republic of the Congo, and Gabon become autonomous republics within the French Community.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I3606.php : accessed February 24, 2026), "Guurtje Floor (± 1920-1958)".
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