April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
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.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage May 5, 1920
The temperature on May 5, 1920 was between 1.4 °C and 14.6 °C and averaged 8.7 °C. There was 9.5 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 » The Treaty of Versailles takes effect, officially ending World War I.
January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
January 19 » The United States Senate votes against joining the League of Nations.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
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.
When copying data from this family tree, please include a reference to the origin: P. den Os, "Family tree Den Os open eindjes 2015", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-os-open-eindjes/I79783451.php : accessed June 20, 2024), "Geertruida van Hilten (1895-????)".
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