January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 22 » Columbia Phonograph is formed in Washington, D.C.
March 31 » The Eiffel Tower is officially opened.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
July 11 » Tijuana, Mexico, is founded.
Day of marriage November 12, 1921
The temperature on November 12, 1921 was between -1.7 °C and 3.1 °C and averaged -0.2 °C. There was 3.1 hours of sunshine (34%). The average windspeed was 1 Bft (weak wind) 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.
January 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 6 » Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
When copying data from this family tree, please include a reference to the origin: Y. Slobbé, "Family tree Slobbé", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slobbe/R3367.php : accessed February 15, 2026), "Trijntje Blijstra (1889-????)".
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