On this day in 1980, CNN (Cable News Network), the world's first 24-hour television news network, makes its debut. The network signed on at 6 p.m. EST from its headquarters in Atlanta, Georgia, with a lead story about the attempted assassination of civil rights leader Vernon Jordan. CNN went on to change the notion that news could only be reported at fixed times throughout the day. At the time of CNN's launch, TV news was dominated by three major networks--ABC, CBS and NBC--and their nightly 30-minute broadcasts. Initially available in less than two million U.S. homes, today CNN is seen in more than 89 million American households and over 160 million homes internationally.

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