January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
July 20 » The Ford Motor Company ships its first automobile.
October 6 » The High Court of Australia sits for the first time.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of death January 31, 1970
The temperature on January 31, 1970 was between -8.0 °C and -2.1 °C and averaged -4.9 °C. There was 7.7 hours of sunshine (85%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 13 » An oxygen tank aboard the Apollo 13 Service Module explodes, putting the crew in great danger and causing major damage to the Apollo command and service module (codenamed "Odyssey") while en route to the Moon.
June 21 » Penn Central declares Section 77 bankruptcy in what was the largest U.S. corporate bankruptcy to date.
August 15 » Patricia Palinkas becomes the first woman to play professionally in an American football game.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
November 17 » Vietnam War: Lieutenant William Calley goes on trial for the My Lai Massacre.
November 21 » Vietnam War: Operation Ivory Coast: A joint United States Air Force and Army team raids the Sơn Tây prisoner-of-war camp in an attempt to free American prisoners of war thought to be held there.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I191251.php : accessed February 15, 2026), "Cornelia Johanna Demmers (1903-1970)".
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