The temperature on June 24, 1889 was about 19.0 °C. There was 28 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
March 31 » The Eiffel Tower is officially opened.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage December 21, 1922
The temperature on December 21, 1922 was between 2.0 °C and 6.9 °C and averaged 3.8 °C. There was 5.3 hours of sunshine (69%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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.
September 11 » The Sun News-Pictorial is founded in Melbourne, Australia.
September 13 » The final act of the Greco-Turkish War, the Great Fire of Smyrna, commences.
September 27 » King Constantine I of Greece abdicates his throne in favor of his eldest son, George II.
September 30 » The University of Alabama opens the American football season with a 110–0 victory over the Marion Military Institute, which still stands as Alabama's record for largest margin of victory and as their only 100 point game.
November 1 » Abolition of the Ottoman sultanate: The last sultan of the Ottoman Empire, Mehmed VI, abdicates.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I6050.php : accessed February 6, 2026), "Cornelia de Boer (1889-????)".
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