April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
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.
September 25 » The United States Congress establishes Sequoia National Park.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of death March 4, 1961
The average temperature on March 4, 1961 was 6.2 °C. There was 0.1 mm of rain. There was 7.0 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
May 21 » American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
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 17 » Directed by their chief Maurice Papon, Paris police massacre scores of Algerian protesters.
When copying data from this family tree, please include a reference to the origin: Henk Trox, "Family tree Trox", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-trox/I8883.php : accessed February 5, 2026), "Sophia Walanski (1890-1961)".
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