On This Day in History January 7, 2019

Historical Events 1610  Galileo Galilei discovers the first three moons of Jupiter: Io, Europa & Ganymede 1714  Typewriter patented by Englishman Henry Mill (built years later) 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 1999  Impeachment trial of President Bill Clinton begins in the US Senate. More Historical Events Famous Birthdays Lewis Hamilton 33rd Birthday Millard Fillmore (1800 - 1874) Nicolas Cage 55th Birthday William Peter Blatty (1928 - 2017) More Famous Birthdays