April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage May 19, 1921
The temperature on May 19, 1921 was between 7.7 °C and 18.8 °C and averaged 12.9 °C. There was 0.2 mm of rain. There was 9.0 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
March 17 » The Second Polish Republic adopts the March Constitution.
May 8 » The creation of the Communist Party of Romania.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
August 14 » Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia).
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death January 23, 1959
The temperature on January 23, 1959 was between 1.8 °C and 8.7 °C and averaged 4.2 °C. There was 6.0 mm of rain during 5.5 hours. There was 5.4 hours of sunshine (63%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
June 23 » Convicted Manhattan Project spy Klaus Fuchs is released after only nine years in prison and allowed to emigrate to Dresden, East Germany where he resumes a scientific career.
August 21 » United States President Dwight D. Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union. Hawaii's admission is currently commemorated by Hawaii Admission Day.
September 12 » Bonanza premieres, the first regularly scheduled TV program presented in color.
September 18 » Vanguard 3 is launched into Earth orbit.
October 21 » President Eisenhower approves the transfer of all US Army space-related activities to NASA, including most of the Army Ballistic Missile Agency.
November 21 » American disc jockey Alan Freed, who had popularized the term "rock and roll" and music of that style, is fired from WABC-AM radio over allegations he had participated in the payola scandal.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I95190.php : accessed October 6, 2026), "Jan Bruinsma (1897-1959)".
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