January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of death October 12, 1961
The temperature on October 12, 1961 was between 6.3 °C and 18.3 °C and averaged 11.1 °C. There was 0.1 mm of rain. There was 7.5 hours of sunshine (69%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 24 » Goldsboro B-52 crash: A bomber carrying two H-bombs breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
May 1 » The Prime Minister of Cuba, Fidel Castro, proclaims Cuba a socialist nation and abolishes elections.
July 12 » Indian city Pune floods due to failure of the Khadakwasla and Panshet dams, killing at least two thousand people.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
November 11 » Thirteen Italian Air Force servicemen, deployed to the Congo as a part of the UN peacekeeping force, are massacred by a mob in Kindu.
When copying data from this family tree, please include a reference to the origin: Lucas van Heeren, "Genealogy Van Heeren", database, Genealogy Online (https://www.genealogieonline.nl/afstammelingen-henricus-van-heer/I9442.php : accessed May 27, 2024), "Jannigje Cornelia de GEUS (1895-1961)".
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