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.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
December 30 » The British Colony of Natal annexes Zululand.
Day of death May 18, 1958
The temperature on May 18, 1958 was between 10.9 °C and 14.9 °C and averaged 12.7 °C. There was 1.9 mm of rain during 1.8 hours. There was 0.3 hours of sunshine (2%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 23 » After a general uprising and rioting in the streets, President Marcos Pérez Jiménez leaves Venezuela.
March 26 » The African Regroupment Party is launched at a meeting in Paris.
May 13 » May 1958 crisis: A group of French military officers lead a coup in Algiers demanding that a government of national unity be formed with Charles de Gaulle at its head in order to defend French control of Algeria.
June 1 » Charles de Gaulle comes out of retirement to lead France by decree for six months.
September 14 » The first two German post-war rockets, designed by the German engineer Ernst Mohr, reach the upper atmosphere.
November 25 » French Sudan gains autonomy as a self-governing member of the French Community.
When copying data from this family tree, please include a reference to the origin: Ir. Willem J.H. Woldringh, "Family tree Woldringh", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-woldringh/I501352.php : accessed June 2, 2024), "Roelf Hendrik De Vries (1897-1958)".
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