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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
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.
Day of marriage July 23, 1921
The temperature on July 23, 1921 was between 15.3 °C and 21.3 °C and averaged 18.7 °C. There was 0.9 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
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.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
Day of death December 20, 1988
The temperature on December 20, 1988 was between 2.6 °C and 8.3 °C and averaged 5.1 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.5 hours of sunshine (6%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 16 » Halabja chemical attack: The Kurdish town of Halabja in Iraq is attacked with a mix of poison gas and nerve agents on the orders of Saddam Hussein, killing 5,000 people and injuring about 10,000 people.
March 17 » Eritrean War of Independence: The Nadew Command, an Ethiopian army corps in Eritrea, is attacked on three sides by military units of the Eritrean People's Liberation Front in the opening action of the Battle of Afabet.
August 1 » A British soldier was killed in the Inglis Barracks bombing in London, England.
September 27 » The National League for Democracy is formed by Aung San Suu Kyi and others to fight dictatorship in Myanmar.
November 15 » Israeli–Palestinian conflict: An independent State of Palestine is proclaimed by the Palestinian National Council.
November 16 » The Supreme Soviet of the Estonian Soviet Socialist Republic declares that Estonia is "sovereign" but stops short of declaring independence.
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/I61966.php : accessed October 17, 2026), "Wikke Cornello (1897-1988)".
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