January 12 » The National Trust is founded in the United Kingdom.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
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.
Day of marriage June 2, 1920
The temperature on June 2, 1920 was between 10.4 °C and 19.1 °C and averaged 14.5 °C. There was 3.3 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 19 » The United States Senate votes against joining the League of Nations.
January 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
February 13 » The Negro National League is formed.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
August 10 » World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies.
Day of death March 1, 1954
The temperature on March 1, 1954 was between -2.1 °C and 2.0 °C and averaged -0.2 °C. There was 1.2 mm of rain during 1.7 hours. There was 2.4 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 10 » U.S. President Dwight D. Eisenhower warns against United States intervention in Vietnam.
May 13 » The original Broadway production of The Pajama Game opens and runs for another 1,063 performances. Later received three Tony Awards for Best Musical, Best Performance by a Featured Actress in a Musical, and Best Choreography.
August 24 » The Communist Control Act goes into effect, outlawing the American Communist Party.
September 3 » The German submarineU-505 begins its move from a specially constructed dock to its site at Chicago's Museum of Science and Industry.
November 7 » In the US, Armistice Day becomes Veterans Day.
December 23 » First successful kidney transplant is performed by J. Hartwell Harrison and Joseph Murray.
When copying data from this family tree, please include a reference to the origin: L. Roos, "Family tree Roos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-roos/I166.php : accessed March 5, 2026), "Agatha van MAAREN (1895-1954)".
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