7 January 2023: This day in history

1610: Galileo Galilei discovers the first three moons of Jupiter: Io, Europa & Ganymede

1714: Typewriter patented by Englishman Henry Mill (built years later)

1941: Chinese Kuomintang forces under orders from Chiang Kai-shek open fire on the surrounded Communist New Fourth Army at Maolin, Anhui Province, killing or capturing 7,000 troops

1953:US President Harry Truman announces American development of the hydrogen bomb
1954: Georgetown-IBM experiment, 1st public demonstration of a machine translation system, is held at IBM’s head office in New York
Source: Οnthisday.com

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