January 12 » The National Trust is founded in the United Kingdom.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage September 21, 1923
The temperature on September 21, 1923 was between 7.7 °C and 13.3 °C and averaged 10.1 °C. There was 6.1 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
July 1 » The Parliament of Canada suspends all Chinese immigration.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
September 26 » The German government accepts the occupation of the Ruhr.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
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/I102399.php : accessed October 24, 2026), "Johanna de Hoop (1895-????)".
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