January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
March 1 » Henri Becquerel discovers radioactive decay.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
Day of marriage April 26, 1919
The temperature on April 26, 1919 was between 4.7 °C and 8.5 °C and averaged 6.3 °C. There was 3.9 mm of rain. There was 0.3 hours of sunshine (2%). 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 6 » The five-day Seattle General Strike begins, as more than 65,000 workers in the city of Seattle, Washington, walk off the job.
February 14 » The Polish–Soviet War begins.
May 15 » Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
October 17 » RCA is incorporated as the Radio Corporation of America.
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
Day of death August 12, 1935
The temperature on August 12, 1935 was between 13.1 °C and 27.8 °C and averaged 19.5 °C. There was 4.3 mm of rain during 3.2 hours. There was 5.7 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: I. en G. Koops, "Genealogy Koops - Harms", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-koops-harms/I10699.php : accessed June 23, 2024), "Nanko Dubbelboer (1896-1935)".
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