April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage December 29, 1920
The temperature on December 29, 1920 was between 7.2 °C and 12.2 °C and averaged 9.3 °C. There was 5.5 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
February 20 » An earthquake kills between 114 and 130 in Georgia and heavily damages the town of Gori.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
When copying data from this family tree, please include a reference to the origin: Nico van Gogh, "Family tree Dörr", database, Genealogy Online (https://www.genealogieonline.nl/dorr-stamboom/I337.php : accessed March 11, 2026), "Johanna Catharina Dörr (1902-)".
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