March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage May 12, 1921
The temperature on May 12, 1921 was between 9.2 °C and 21.1 °C and averaged 15.5 °C. There was 9.1 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
March 31 » The Royal Australian Air Force is formed.
May 8 » The creation of the Communist Party of Romania.
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.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of death October 1, 1954
The temperature on October 1, 1954 was between 9.2 °C and 15.2 °C and averaged 13.0 °C. There was 1.0 mm of rain during 1.2 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 21 » The first nuclear-powered submarine, the USSNautilus, is launched in Groton, Connecticut by Mamie Eisenhower, the First Lady of the United States.
February 23 » The first mass inoculation of children against polio with the Salk vaccine begins in Pittsburgh.
March 1 » Nuclear weapons testing: The Castle Bravo, a 15-megaton hydrogen bomb, is detonated on Bikini Atoll in the Pacific Ocean, resulting in the worst radioactive contamination ever caused by the United States.
April 25 » The first practical solar cell is publicly demonstrated by Bell Telephone Laboratories.
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.
July 15 » First flight of the Boeing 367-80, prototype for both the Boeing 707 and C-135 series.
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/I184030.php : accessed October 22, 2026), "Jacoba Gerritdina Weening (1896-1954)".
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