The temperature on June 5, 1957 was between 8.0 °C and 13.7 °C and averaged 11.2 °C. There was 1.3 mm of rain during 1.4 hours. There was 2.3 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 3 » The Hamilton Watch Company introduces the first electric watch.
January 11 » The African Convention is founded in Dakar, Senegal.
February 18 » Kenyan rebel leader Dedan Kimathi is executed by the British colonial government.
April 24 » Suez Crisis: The Suez Canal is reopened following the introduction of UNEF peacekeepers to the region.
October 1 » First appearance of In God we trust on U.S. paper currency.
October 3 » The California State Superior Court rules that the book Howl and Other Poems is not obscene.
Day of death April 4, 1958
The temperature on April 4, 1958 was between 5.3 °C and 9.2 °C and averaged 7.4 °C. There was 1.4 mm of rain during 2.8 hours. There was 2.3 hours of sunshine (18%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
August 3 » The world's first nuclear submarine, the USS Nautilus, becomes the first vessel to complete a submerged transit of the geographical North Pole.
August 18 » Brojen Das from Bangladesh swims across the English Channel in a competition, as the first Bengali and the first Asian to do so. He came first among 39 competitors.
October 1 » The National Advisory Committee for Aeronautics is replaced by NASA.
November 10 » The Hope Diamond is donated to the Smithsonian Institution by New York diamond merchant Harry Winston.
November 12 » A team of rock climbers led by Warren Harding completes the first ascent of The Nose on El Capitan in Yosemite Valley.
December 18 » Project SCORE, the world's first communications satellite, is launched.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I82986.php : accessed January 18, 2026), "Grietje Potze (1957-1958)".
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