January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 29 » The First Hague Convention is signed.
Day of marriage April 21, 1923
The temperature on April 21, 1923 was between 3.5 °C and 15.7 °C and averaged 10.6 °C. There was 1.8 hours of sunshine (13%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
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/I76155.php : accessed September 27, 2026), "Jan Kootstra (1899-????)".
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