April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage April 12, 1919
The temperature on April 12, 1919 was between 7.5 °C and 10.7 °C and averaged 9.2 °C. There was 7.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
February 5 » Charlie Chaplin, Mary Pickford, Douglas Fairbanks, and D. W. Griffith launch United Artists.
May 1 » German troops enter Munich to suppress the Bavarian Soviet Republic.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
July 21 » The dirigible Wingfoot Air Express crashes into the Illinois Trust and Savings Building in Chicago, killing 12 people.
September 4 » Mustafa Kemal Atatürk, who founded the Republic of Turkey, gathers a congress in Sivas to make decisions as to the future of Anatolia and Thrace.
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I69262.php : accessed February 13, 2026), "Geert Bruintjes (1898-????)".
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