January 31 » Czechoslav Trade Union Association is founded in Prague.
February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death September 13, 1970
The temperature on September 13, 1970 was between 11.1 °C and 16.0 °C and averaged 13.1 °C. There was 7.8 mm of rain during 4.5 hours. There was 8.1 hours of sunshine (63%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 6 » An explosion at the Weather Underground safe house in Greenwich Village kills three.
August 7 » California judge Harold Haley is taken hostage in his courtroom and killed during an effort to free George Jackson from police custody.
September 2 » NASA announces the cancellation of two Apollo missions to the Moon, Apollo 15 (the designation is re-used by a later mission), and Apollo 19.
September 12 » Dawson's Field hijackings: Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
October 5 » The British Trade Commissioner is kidnapped by members of the FLQ, triggering the October Crisis in Canada.
November 18 » U.S. President Richard Nixon asks the U.S. Congress for $155 million in supplemental aid for the Cambodian government.
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The Descendants Rhemrev publication was prepared by Sietse Vermeer (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Sietse Vermeer, "Descendants Rhemrev", database, Genealogy Online (https://www.genealogieonline.nl/parenteeel_rhemrev/I11532.php : accessed February 23, 2026), "Jules Everard Kooymans (1897-1970)".
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