January 4 » Utah is admitted as the 45th U.S. state.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
March 1 » Henri Becquerel discovers radioactive decay.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
Day of death April 22, 1962
The temperature on April 22, 1962 was between 6.8 °C and 14.8 °C and averaged 12.1 °C. There was 4.6 mm of rain during 3.7 hours. There was 6.5 hours of sunshine (45%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 15 » The Derveni papyrus, Europe's oldest surviving manuscript dating to 340 BC, is found in northern Greece.
July 9 » Starfish Prime tests the effects of a nuclear test at orbital altitudes.
July 23 » The International Agreement on the Neutrality of Laos is signed.
October 25 » Cuban Missile Crisis: Adlai Stevenson shows the United Nations Security Council reconnaissance photographs of Soviet ballistic missiles in Cuba.
October 27 » By refusing to agree to the firing of a nuclear torpedo at a US warship, Vasily Arkhipov averts nuclear war.
November 17 » President John F. Kennedy dedicates Washington Dulles International Airport, serving the Washington, D.C., region.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2736.php : accessed January 3, 2026), "Cornelia van Dinther (1896-1962)".
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