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Alexander Graham Bell invents the telephone
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American Telephone and Telegraph Corporation is created
Alexander Graham Bell, Gardiner Hubbard, and Thomas Sanders team up and create American Telephone and Telegraph Corporation under the American Bell Telephone Company -
AT&T installs the first dial telephones in the Bell System
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AT&T opens the first commercial radio station
It was setup in New York, but AT&T had little interest in commercial radio, so they left but kept the infrastructure for others to utilize. -
AT&T establishes Bell Telephone Laboratories
Bell Telephone Laboratories Inc. is established, where UNIX and many other huge advancements in computing will take place -
Transatlantic Telephone service goes live
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The first coaxial cable is laid
The first non-experimental coaxial cable is laid between Minneapolis and Stevens Point. This was the first broadband transmission medium. -
AT&T begins offering mobile telephone service
At the time, it was a single antenna that could not handle no more than 20 simultaneous calls -
The Transistor is invented
John Bardeen, Walter Brattain, and William Shockley invent the transistor at Bell Labs. -
The Telstar I launches into orbit
AT&T launches the Telstar I, the first active communications satellite transmitting the first live television across the Atlantic. -
911 becomes a nationwide emergency number
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Unix is born
Researchers at Bell Telephone Laboratories create the Unix computer operating system -
Bell Systems breaks up
All sub-companies like AT&T become completly independent -
AT&T Splits into three companies
AT&T retains it's telephone services, NCR is dedicated for computing, and Lucent Technologies for systems -
AT&T is acquired by SBC Communications
