June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
June 17 » The College Board introduces its first standardized test, the forerunner to the SAT.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 21 » Six hundred American school teachers, Thomasites, arrived in Manila on the USAT Thomas.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
October 29 » Leon Czolgosz, the assassin of U.S. President William McKinley, is executed by electrocution.
Day of marriage August 29, 1923
The temperature on August 29, 1923 was between 8.9 °C and 18.0 °C and averaged 14.0 °C. There was 2.0 mm of rain. There was 5.0 hours of sunshine (36%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
June 9 » Bulgaria's military takes over the government in a coup.
September 9 » Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
November 9 » In Munich, Germany, police and government troops crush the Beer Hall Putsch in Bavaria. The failed coup is the work of the Nazis.
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» United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.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: Ronald Delfgauw, "Family tree Delfgauw", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-delfgauw/R86.php : accessed March 7, 2026), "Jan Arie Delfgauw (1901-)".
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