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 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of marriage May 4, 1921
The temperature on May 4, 1921 was between -2.6 °C and 9.9 °C and averaged 4.3 °C. There was 0.3 mm of rain. There was 1.1 hours of sunshine (7%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
July 11 » A truce in the Irish War of Independence comes into effect.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
Day of death October 10, 1971
The temperature on October 10, 1971 was between 12.1 °C and 18.8 °C and averaged 14.6 °C. There was 3.5 hours of sunshine (32%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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/I90302.php : accessed January 23, 2026), "Joannes Mertens (1896-1971)".
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