February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
July 20 » The Ford Motor Company ships its first automobile.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
Day of marriage March 31, 1923
The temperature on March 31, 1923 was between 0.5 °C and 12.8 °C and averaged 6.6 °C. There was 6.0 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
September 29 » The British Mandate for Palestine takes effect, creating Mandatory Palestine.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
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» United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.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: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I18101.php : accessed February 22, 2026), "Andries Bosman (1903-)".
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