January 31 » Czechoslav Trade Union Association is founded in Prague.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of death July 12, 1958
The temperature on July 12, 1958 was between 12.9 °C and 25.7 °C and averaged 19.6 °C. There was 0.1 mm of rain during 0.2 hours. There was 9.4 hours of sunshine (57%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 4 » Sputnik 1, the first artificial Earth satellite, launched by the Soviet Union in 1957, falls to Earth from orbit.
July 26 » Explorer program: Explorer 4 is launched.
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 12 » Jack Kilby demonstrates the first working integrated circuit while working at Texas Instruments.
October 2 » Guinea declares its independence from France.
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: Jacobus (Koos) Held, "Family tree Jacobus (Koos) Held", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koos-held/I4419.php : accessed April 30, 2024), "Hannigje Koekkoek (1897-1958)".
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