February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
February 14 » Voting machines are approved by the U.S. Congress for use in federal elections.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of marriage May 26, 1921
The temperature on May 26, 1921 was between 13.8 °C and 27.1 °C and averaged 18.2 °C. There was 5.0 mm of rain. There was 7.6 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
March 17 » The Second Polish Republic adopts the March Constitution.
May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
Day of death November 23, 1970
The temperature on November 23, 1970 was between 2.4 °C and 8.0 °C and averaged 5.2 °C. There was 0.1 mm of rain. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
March 26 » South Vietnamese President Nguyễn Văn Thiệu implements a land reform program to solve the problem of land tenancy.
April 8 » Bahr El-Baqar primary school bombing: Israeli bombers strike an Egyptian school. Forty-six children are killed.
August 24 » Vietnam War protesters bomb Sterling Hall at the University of Wisconsin–Madison, leading to an international manhunt for the perpetrators.
November 10 » Vietnam War: Vietnamization: For the first time in five years, an entire week ends with no reports of American combat fatalities in Southeast Asia.
November 17 » Vietnam War: Lieutenant William Calley goes on trial for the My Lai Massacre.
December 17 » Polish protests: In Gdynia, soldiers fire at workers emerging from trains, killing dozens.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I79204.php : accessed October 7, 2026), "Jan Ophuis (1899-1970)".
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