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 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.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage May 15, 1924
The temperature on May 15, 1924 was between 12.2 °C and 22.8 °C and averaged 16.8 °C. There was 2.8 mm of rain. There was 7.1 hours of sunshine (45%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 22 » Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
January 25 » The 1924 Winter Olympics opens in Chamonix, in the French Alps, inaugurating the Winter Olympic Games.
February 5 » The Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal.
March 16 » In accordance with the Treaty of Rome, Fiume becomes annexed as part of Italy.
August 4 » Diplomatic relations between Mexico and the Soviet Union are established.
October 25 » The Zinoviev letter, which Zinoviev himself denied writing, is published in the Daily Mail; the Labour party would later blame this letter for the Conservatives' landslide election win four days later.
Day of death June 14, 1964
The temperature on June 14, 1964 was between 12.7 °C and 21.0 °C and averaged 16.0 °C. There was 4.4 mm of rain during 2.5 hours. There was 7.0 hours of sunshine (42%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
August 1 » The former Belgian Congo is renamed the Democratic Republic of the Congo.
September 4 » Scotland's Forth Road Bridge near Edinburgh officially opens.
September 21 » The North American XB-70 Valkyrie, the world's fastest bomber, makes its maiden flight from Palmdale, California.
October 22 » Jean-Paul Sartre is awarded the Nobel Prize in Literature, but turns down the honor.
October 29 » A collection of irreplaceable gems, including the 565 carat (113 g) Star of India, is stolen by a group of thieves (among them is "Murph the surf") from the American Museum of Natural History in New York City.
December 5 » Vietnam War: For his heroism in battle earlier in the year, Captain Roger Donlon is awarded the first Medal of Honor of the war.
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/I75450.php : accessed October 8, 2026), "Foppe Radema (1897-1964)".
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