History of Touch-Tone Telephones
Touch-tone dialing with a push-button keypad was first introduced in two towns outside of Pittsburgh on November 18, 1963. Each number had its own frequency and was decoded by a switching center to connect a call. It would be about two decades before push-button phones would catch on and become standard in households across America.
Grand Canyon Saved From Industrialization
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Steve Dahl’s Notorious 1979 Disco Demolition
Disco Demolition was a promotional event held at Comiskey Park on July 12, 1979. The Chicago ... more
