January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 31 » Datu Muhammad Salleh is killed in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.
February 27 » Fußball-Club Bayern München is founded.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
August 3 » The Firestone Tire and Rubber Company is founded.
November 7 » The People's Party is founded in Cuba.
Day of marriage August 20, 1921
The temperature on August 20, 1921 was between 13.0 °C and 26.2 °C and averaged 19.5 °C. There was 1.3 mm of rain. There was 6.6 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
March 17 » The Second Polish Republic adopts the March Constitution.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
October 5 » The World Series is the first to be broadcast on radio.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of death January 29, 1962
The temperature on January 29, 1962 was between -6.4 °C and 1.0 °C and averaged -2.8 °C. There was 7.6 hours of sunshine (85%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 10 » Apollo program: NASA announces plans to build the C-5 rocket launch vehicle, which became known as the Saturn V Moon rocket, which launched every Apollo Moon mission.
February 10 » Roy Lichtenstein's first solo exhibition opened, and it included Look Mickey, which featured his first employment of Ben-Day dots, speech balloons and comic imagery sourcing, all of which he is now known for.
March 19 » The Algerian War of Independence ends.
August 16 » Eight years after the remaining French India territories were handed to India, the ratifications of the treaty are exchanged to make the transfer official.
September 6 » The United States government begins the Exercise Spade Fork nuclear readiness drill.
September 27 » Rachel Carson's book Silent Spring is published, inspiring an environmental movement and the creation of the U.S. Environmental Protection Agency.
When copying data from this family tree, please include a reference to the origin: Rolf Kapma, "Family tree Kapma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kapma/I520352.php : accessed February 28, 2026), "Trijntje Aalzens Booi (1900-1962)".
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