April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio 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.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage August 29, 1923
The temperature on August 29, 1923 was between 8.9 °C and 18.0 °C and averaged 14.0 °C. There was 2.0 mm of rain. There was 5.0 hours of sunshine (36%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. 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.
March 3 » TIME magazine is published for the first time.
April 28 » Wembley Stadium is opened, named initially as the Empire Stadium.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
December 21 » United Kingdom and Nepal formally signed an agreement of friendship, called the Nepal–Britain Treaty of 1923, which superseded the Treaty of Sugauli signed in 1816.
Day of death November 11, 1971
The temperature on November 11, 1971 was between -4.5 °C and 5.4 °C and averaged 0.1 °C. There was 8.7 hours of sunshine (96%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
February 15 » The decimalisation of British coinage is completed on Decimal Day.
March 1 » President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan.
April 5 » In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike.
May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
June 13 » Vietnam War: The New York Times begins publication of the Pentagon Papers.
November 22 » In Britain's worst mountaineering tragedy, the Cairngorm Plateau Disaster, five children and one of their leaders are found dead from exposure in the Scottish mountains.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I323932.php : accessed February 6, 2026), "Maria Elisabeth Spijkers (1897-1971)".
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