February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
September 21 » Anglo-Egyptian conquest of Sudan: British forces under the command of Horatio Kitchener take Dongola.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage May 25, 1921
The temperature on May 25, 1921 was between 10.8 °C and 29.0 °C and averaged 20.1 °C. There was 12.9 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
October 5 » The World Series is the first to be broadcast on radio.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
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/I133203.php : accessed October 25, 2026), "Johannes Kochheim (1896-????)".
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