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.
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.
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 30 » The British Colony of Natal annexes Zululand.
Day of marriage March 7, 1923
The temperature on March 7, 1923 was between 3.6 °C and 9.8 °C and averaged 6.6 °C. There was 9.7 mm of rain. There was 1.5 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
August 16 » The United Kingdom gives the name "Ross Dependency" to part of its claimed Antarctic territory and makes the Governor-General of the Dominion of New Zealand its administrator.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
September 9 » Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People's Party.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
When copying data from this family tree, please include a reference to the origin: Jan den Hengst, "Family tree Den Hengst / Elfferich", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-den-hengst-elfferich/I41092.php : accessed May 25, 2024), "Teuntje Arijsdr Maarleveld (1897-????)".
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