February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Henri Becquerel discovers radioactive decay.
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage January 15, 1925
The average temperature on January 15, 1925 was 5.5 °C. There was 11.5 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
February 21 » The New Yorker publishes its first issue.
April 16 » During the Communist St Nedelya Church assault in Sofia, Bulgaria, 150 are killed and 500 are wounded.
April 18 » The International Amateur Radio Union is formed in Paris.
May 30 » May Thirtieth Movement: Shanghai Municipal Police Force shoot and kill 13 protesting workers.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 10 » Scopes Trial: In Dayton, Tennessee, the so-called "Monkey Trial" begins of John T. Scopes, a young high school science teacher accused of teaching evolution in violation of the Butler Act.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I285563.php : accessed February 7, 2026), "Johannes Wilhelm van der Heide (1896-????)".
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