January 31 » Czechoslav Trade Union Association is founded in Prague.
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 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
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.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage July 19, 1919
The temperature on July 19, 1919 was between 14.1 °C and 26.4 °C and averaged 19.2 °C. There was 23.6 mm of rain. There was 7.5 hours of sunshine (46%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
March 2 » The first Communist International meets in Moscow.
June 4 » Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.
October 9 » The Cincinnati Reds win the World Series, resulting in the Black Sox Scandal.
October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
Day of death October 26, 1965
The average temperature on October 26, 1965 was 7.2 °C. There was 0.2 mm of rain. There was 7.9 hours of sunshine (79%). The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 9 » The United States Marine Corps sends a MIM-23 Hawk missile battalion to South Vietnam, the first American troops in-country without an official advisory or training mission.
March 2 » The US and Republic of Vietnam Air Force begin Operation Rolling Thunder, a sustained bombing campaign against North Vietnam.
April 7 » Representatives of the National Congress of American Indians testify before members of the US Senate against the termination of the Colville tribe in Washington DC.
April 24 » Civil war breaks out in the Dominican Republic when Colonel Francisco Caamaño overthrows the triumvirate that had been in power since the coup d'état against Juan Bosch.
July 28 » Vietnam War: U.S. President Lyndon B. Johnson announces his order to increase the number of United States troops in South Vietnam from 75,000 to 125,000.
August 11 » Race riots (the Watts Riots) begin in the Watts area of Los Angeles, California.
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/I70234.php : accessed October 20, 2026), "Grietje van der Werf (1897-1965)".
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