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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
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 death January 4, 1975
The temperature on January 4, 1975 was between 2.9 °C and 6.7 °C and averaged 5.1 °C. There was 0.1 mm of rain. There was 0.3 hours of sunshine (4%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
January 30 » The Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.
March 6 » For the first time the Zapruder film of the assassination of John F. Kennedy is shown in motion to a national TV audience by Robert J. Groden and Dick Gregory.
April 3 » Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default.
June 4 » The Governor of California Jerry Brown signs the California Agricultural Labor Relations Act into law, the first law in the U.S. giving farmworkers collective bargaining rights.
September 24 » Southwest Face expedition members become the first persons to reach the summit of Mount Everest by any of its faces, instead of using a ridge route.
September 27 » The last use of capital punishment in Spain sparks worldwide protests.
When copying data from this family tree, please include a reference to the origin: T.J. Mitchell, "Mitchell/Stewart Tree", database, Genealogy Online (https://www.genealogieonline.nl/mitchell-stewart-tree/P2057.php : accessed January 29, 2026), "Hugh Jones (1897-1975)".
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