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 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of marriage May 9, 1924
The temperature on May 9, 1924 was between 1.5 °C and 10.7 °C and averaged 6.6 °C. There was 2.0 mm of rain. There was 1.2 hours of sunshine (8%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. 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 25 » On the anniversary of Greek Independence, Alexandros Papanastasiou proclaims the Second Hellenic Republic.
May 8 » The Klaipėda Convention is signed formally incorporating Klaipėda Region (Memel Territory) into Lithuania.
May 21 » University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing".
July 11 » Eric Liddell won the gold medal in 400m at the 1924 Paris Olympics, after refusing to run in the heats for 100m, his favoured distance, on the Sunday.
August 28 » The Georgian opposition stages the August Uprising against the Soviet Union.
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 November 9, 1975
The temperature on November 9, 1975 was between 3.0 °C and 7.8 °C and averaged 4.8 °C. There was 4.9 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
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/I212146.php : accessed October 23, 2026), "Reinder Davids (1897-1975)".
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