January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
February 9 » The Davis Cup competition is established.
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
Day of marriage September 15, 1923
The temperature on September 15, 1923 was between 8.7 °C and 19.4 °C and averaged 14.1 °C. There was 8.5 mm of rain. There was 1.5 hours of sunshine (12%). The average windspeed was 2 Bft (weak wind) and was prevailing from the 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 9 » Lithuanian residents of the Memel Territory rebel against the League of Nations' decision to leave the area as a mandated region under French control.
April 15 » Insulin becomes generally available for use by people with diabetes.
June 9 » Bulgaria's military takes over the government in a coup.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
September 8 » Honda Point disaster: Nine US Navy destroyers run aground off the California coast. Seven are lost, and twenty-three sailors killed.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
Day of death January 30, 1944
The temperature on January 30, 1944 was between 5.3 °C and 10.5 °C and averaged 7.5 °C. There was 1.3 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) 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/I79538.php : accessed October 21, 2026), "Trijntje Bosgraaf (1900-1944)".
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