April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of marriage May 20, 1921
The temperature on May 20, 1921 was between 5.7 °C and 19.3 °C and averaged 12.7 °C. There was 9.6 hours of sunshine (60%). 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 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
October 29 » The Harvard University football team loses to Centre College, ending a 25-game winning streak. This is considered one of the biggest upsets in college football.
Day of death May 27, 1975
The temperature on May 27, 1975 was between 7.7 °C and 20.3 °C and averaged 14.6 °C. There was 7.4 hours of sunshine (46%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 5 » The Tasman Bridge in Tasmania, Australia, is struck by the bulk ore carrier Lake Illawarra, killing twelve people.
January 15 » The Alvor Agreement is signed, ending the Angolan War of Independence and giving Angola independence from Portugal.
February 28 » In London, an underground train fails to stop at Moorgate terminus station and crashes into the end of the tunnel, killing 43 people.
November 12 » The Comoros joins the United Nations.
December 6 » The Troubles: Fleeing from the police, a Provisional IRA unit takes a British couple hostage in their flat on Balcombe Street, London, beginning a six-day siege.
December 26 » Tu-144, the world's first commercial supersonic aircraft, surpassing Mach2, went into service.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I32001.php : accessed January 25, 2026), "Ebbiena Zwaantina "Bientje" Koorn (1895-1975)".
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