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.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of marriage June 16, 1920
The temperature on June 16, 1920 was between 11.7 °C and 25.3 °C and averaged 19.2 °C. There was 14.0 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
October 25 » After 74 days on hunger strike in Brixton Prison, England, the Sinn Féin Lord Mayor of Cork, Terence MacSwiney dies.
October 30 » The Communist Party of Australia is founded in Sydney.
When copying data from this family tree, please include a reference to the origin: F.D. Boot, "Family tree Boot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-boot/I1629.php : accessed February 27, 2026), "Arie Otto BOOT (1895-1989)".
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