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 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
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.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage November 22, 1922
The temperature on November 22, 1922 was between 4.9 °C and 7.9 °C and averaged 5.9 °C. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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 11 » First use of insulin to treat diabetes in a human patient.
February 2 » Ulysses by James Joyce is published.
February 8 » United States President Warren G. Harding introduces the first radio set in the White House.
May 19 » The Young Pioneer Organization of the Soviet Union is established.
October 31 » Benito Mussolini is made Prime Minister of Italy
December 6 » One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence.
Day of death September 20, 1944
The temperature on September 20, 1944 was between 8.3 °C and 19.8 °C and averaged 13.7 °C. There was 3.9 hours of sunshine (31%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
When copying data from this family tree, please include a reference to the origin: Gerard Mutter, "Family tree De Duffelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-duffelt/I98796.php : accessed May 18, 2024), "Grada Maria "1897 " van Boxem (1897-1944)".
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