September 4 - The first coast-to-coast TV broadcast, featuring President Truman.
September 22 - The first live sporting event seen coast-to-coast, a college football game between Duke and the University of Pittsburgh, is televised on NBC.
October 3 - The first live coast-to-coast network telecast of a World Series game
December 24 - The first televised opera written for television, Amahl and the Night Visitor, airs on NBC.
Ernie Kovacs' Time for Ernie and Ernie in Kovacsland television shows premiere. Kovacs pushes the limits of television technology with his use of camera tricks and special effects.
October 15 - I Love Lucy debuts on CBS. (1951-1957) The ground breaking show is produced on film, instead of being broadcast live. The show also makes Lucille Ball the worlds first major female television star.
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Deaths:
January 20 - Dmitri Ivanovich Mendeleev, Russian chemist and inventor of the Periodic table
May 19 - Auguste Molinier, French historian
July ...