March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
Day of marriage June 10, 1920
The temperature on June 10, 1920 was between 3.9 °C and 19.8 °C and averaged 13.4 °C. There was 13.1 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
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.
June 11 » During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to coin the political phrase "smoke-filled room".
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
November 7 » Patriarch Tikhon of Moscow issues a decree that leads to the formation of the Russian Orthodox Church Outside Russia.
When copying data from this family tree, please include a reference to the origin: Y. Slobbé, "Family tree Slobbé", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slobbe/R8773.php : accessed January 26, 2026), "Harmen Foppema (1895-????)".
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