January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
Day of marriage August 15, 1921
The temperature on August 15, 1921 was between 8.5 °C and 16.5 °C and averaged 12.7 °C. There was 3.8 mm of rain. There was 0.9 hours of sunshine (6%). The average windspeed was 2 Bft (weak wind) 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.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
May 8 » The creation of the Communist Party of Romania.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
Day of death March 2, 1972
The temperature on March 2, 1972 was between 2.7 °C and 7.6 °C and averaged 4.8 °C. There was 0.7 mm of rain during 2.2 hours. The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 17 » Cumulative sales of the Volkswagen Beetle exceed those of the Ford Model T.
April 13 » The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.
August 3 » The United States Senate ratifies the Anti-Ballistic Missile Treaty.
September 5 » Munich massacre: A Palestinian terrorist group called "Black September" attacks and takes hostage 11 Israeli athletes at the Munich Olympic Games. Two die in the attack and nine are murdered the following day.
November 28 » Last executions in Paris: Claude Buffet and Roger Bontems are guillotined at La Santé Prison.
November 29 » Atari releases Pong, the first commercially successful video game.
When copying data from this family tree, please include a reference to the origin: Peter John Oswald, "Pop Oswald Tree", database, Genealogy Online (https://www.genealogieonline.nl/pop-oswald-tree/P52092.php : accessed November 17, 2025), "May Elfreda BRIERCLIFFE (1896-1972)".
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