January 25 » Nellie Bly completes her round-the-world journey in 72 days.
April 7 » Completion of the first Lake Biwa Canal.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of death February 1, 1961
The temperature on February 1, 1961 was between 1.4 °C and 6.6 °C and averaged 4.8 °C. There was 1.9 mm of rain during 3.8 hours. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
January 26 » John F. Kennedy appoints Janet G. Travell to be the first woman Physician to the President.
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
May 25 » Apollo program: U.S. President John F. Kennedy announces, before a special joint session of the U.S. Congress, his goal to initiate a project to put a "man on the Moon" before the end of the decade.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
July 25 » Cold War: In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO.
When copying data from this family tree, please include a reference to the origin: Marthan Klein, "Families Klein, Ree, de Breed en de Vries van Terschelling", database, Genealogy Online (https://www.genealogieonline.nl/families-klein-ree-ea/I107133.php : accessed June 13, 2024), "Ida Roosendaal (1890-1961)".
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