February 9 » The Davis Cup competition is established.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
July 19 » The first line of the Paris Métro opens for operation.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage December 23, 1932
The temperature on December 23, 1932 was between 1.3 °C and 7.9 °C and averaged 4.3 °C. There was 0.2 mm of rain during 1.3 hours. There was 2.7 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 24 » Benny Rothman leads the mass trespass of Kinder Scout, leading to substantial legal reforms in the United Kingdom.
May 4 » In Atlanta, mobster Al Capone begins serving an eleven-year prison sentence for tax evasion.
May 29 » World War I veterans begin to assemble in Washington, D.C., in the Bonus Army to request cash bonuses promised to them to be paid in 1945.
July 30 » Premiere of Walt Disney's Flowers and Trees, the first cartoon short to use Technicolor and the first Academy Award winning cartoon short.
August 24 » Amelia Earhart becomes the first woman to fly across the United States non-stop (from Los Angeles to Newark, New Jersey).
December 25 » A magnitude 7.6 earthquake in Gansu, China kills 275 people.
Day of death August 22, 1969
The temperature on August 22, 1969 was between 11.0 °C and 17.1 °C and averaged 13.1 °C. There was 12.3 mm of rain during 3.9 hours. There was 1.6 hours of sunshine (11%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 12 » The New York Jets of the American Football League defeat the Baltimore Colts of the National Football League to win Super Bowl III in what is considered to be one of the greatest upsets in sports history.
January 16 » Soviet spacecraft Soyuz 4 and Soyuz 5 perform the first-ever docking of manned spacecraft in orbit, the first-ever transfer of crew from one space vehicle to another, and the only time such a transfer was accomplished with a space walk.
April 9 » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
April 28 » Charles de Gaulle resigns as President of France.
November 3 » Vietnam War: U.S. President Richard M. Nixon addresses the nation on television and radio, asking the "silent majority" to join him in solidarity on the Vietnam War effort and to support his policies.
December 17 » Project Blue Book: The United States Air Force closes its study of UFOs.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I9716.php : accessed February 21, 2026), "Hinderikus Kuiper (1900-1969)".
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