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.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
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 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death June 28, 1960
The temperature on June 28, 1960 was between 9.7 °C and 17.0 °C and averaged 13.0 °C. There was 4.3 mm of rain during 3.4 hours. There was 10.4 hours of sunshine (62%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 30 » The African National Party is founded in Chad, through the merger of traditionalist parties.
February 19 » China successfully launches the T-7, its first sounding rocket.
April 25 » The United States Navy submarine USSTriton completes the first submerged circumnavigation of the globe.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
December 13 » While Emperor Haile Selassie of Ethiopia visits Brazil, his Imperial Bodyguard seizes the capital and proclaims him deposed and his son, Crown Prince Asfa Wossen, Emperor.
December 15 » King Mahendra of Nepal suspends the country's constitution, dissolves parliament, dismisses the cabinet, and imposes direct rule.
When copying data from this family tree, please include a reference to the origin: Keith Mann Spencer, "Mann Spencer Tree", database, Genealogy Online (https://www.genealogieonline.nl/mann-spencer-tree/P426.php : accessed January 20, 2026), "George Eugene Spencer (1897-1960)".
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