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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage May 7, 1927
The temperature on May 7, 1927 was between 9.8 °C and 23.6 °C and averaged 16.9 °C. There was 12.9 hours of sunshine (85%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 7 » The first long-distance public television broadcast (from Washington, D.C., to New York City, displaying the image of Commerce Secretary Herbert Hoover).
April 14 » The first Volvo car premieres in Gothenburg, Sweden.
May 1 » The Union Labor Life Insurance Company is founded by the American Federation of Labor.
May 27 » The Ford Motor Company ceases manufacture of the Ford Model T and begins to retool plants to make the Ford Model A.
July 23 » The first station of the Indian Broadcasting Company goes on the air in Bombay.
December 3 » Putting Pants on Philip, the first Laurel and Hardy film, is released.
Day of death August 10, 1961
The temperature on August 10, 1961 was between 10.1 °C and 21.9 °C and averaged 16.1 °C. There was 5.5 hours of sunshine (37%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. 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.
March 15 » At the 1961 Commonwealth Prime Ministers' Conference, South Africa announces that it will withdraw from the Commonwealth when the South African Constitution of 1961 comes into effect.
May 14 » Civil rights movement: A white mob twice attacks a Freedom Riders bus near Anniston, Alabama, before fire-bombing the bus and attacking the civil rights protesters who flee the burning vehicle.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
October 20 » The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf-class submarine.
Day of burial August 14, 1961
The temperature on August 14, 1961 was between 10.7 °C and 18.2 °C and averaged 14.5 °C. There was 2.0 mm of rain during 2.1 hours. There was 2.5 hours of sunshine (17%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
April 11 » The trial of Adolf Eichmann begins in Jerusalem.
April 17 » Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
April 23 » Algiers putsch by French generals.
September 1 » The Eritrean War of Independence officially begins with the shooting of Ethiopian police by Hamid Idris Awate.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
When copying data from this family tree, please include a reference to the origin: Rob Prins, "Family tree Prins", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_prins/I796.php : accessed January 28, 2026), "Aleida Maria (Leida) TACKE (1897-1961)".
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