January 1 » Nigeria becomes a British protectorate.
May 9 » Australia opens its first national parliament in Melbourne.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
November 27 » The U.S. Army War College is established.
Day of marriage September 28, 1923
The temperature on September 28, 1923 was between 10.3 °C and 19.4 °C and averaged 14.6 °C. There was 3.9 hours of sunshine (33%). The average windspeed was 3 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.
April 15 » Insulin becomes generally available for use by people with diabetes.
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.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I15420.php : accessed February 18, 2026), "Aafje Bakker (1901-)".
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