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.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 30 » The British Colony of Natal annexes Zululand.
Day of death May 20, 1924
The temperature on May 20, 1924 was between 13.5 °C and 20.8 °C and averaged 17.0 °C. There was 0.7 mm of rain. There was 3.7 hours of sunshine (23%). The average windspeed was 2 Bft (weak wind) 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.
January 22 » Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
February 8 » Capital punishment: The first state execution in the United States by gas chamber takes place in Nevada.
April 1 » Adolf Hitler is sentenced to five years imprisonment for his participation in the "Beer Hall Putsch" but spends only nine months in jail.
May 10 » J. Edgar Hoover is appointed first Director of the United States' Federal Bureau of Investigation (FBI), and remains so until his death in 1972.
August 28 » The Georgian opposition stages the August Uprising against the Soviet Union.
October 31 » World Savings Day is announced in Milan, Italy by the Members of the Association at the 1st International Savings Bank Congress (World Society of Savings Banks).
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/I75759.php : accessed October 9, 2026), "Maaike Postma (1897-1924)".
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