CBS

Radio: September&#160;18, 1927 &#59;&#32;96 years ago &#160;( 1927-09-18 )
Television: July&#160;1, 1941 &#59;&#32;82 years ago &#160;( 1941-07-01 )

CBS
Type	Radio network (1927?present) ; Television network (1941?present)
Country	United States
First air date	January 15, 1929 ; 95 years ago
Availability	National and Worldwide
Founded	September 18, 1927 ; 96 years ago ; by Arthur Judson
Slogan	America's Most Watched Network ; Only CBS
TV stations	By state
Radio stations	By state
Headquarters	CBS Building , New York City , United States
Broadcast area	United States ; Canada ; Worldwide
Owner	Paramount Global
Parent	CBS Entertainment Group
Key people	George Cheeks (President and CEO, CBS Entertainment Group) ; David Nevins (Chief Creative Officer, CBS) ; Kelly Kahl (President, CBS Entertainment) ; Sean McManus (Chairman, CBS Sports ) ; Susan Zirinsky ; (President and Senior Executive Producer, CBS News ) ;
Launch date	Radio: September 18, 1927 ; 96 years ago ; Television: July 1, 1941 ; 82 years ago ;
Former names	United Independent Broadcasters (1927) ; Columbia Phonographic Broadcasting System (1927?1928) ; Columbia Broadcasting System, Inc. (1928?1974) ; CBS, Inc. (1974?1997) ;
Digital channel	Varies
Affiliates	By state ; By market
Group	List of assets owned by ViacomCBS
Former affiliations	By market
Official website	www .cbs .com
Replaced	United Independent Broadcasters, Inc.

CBS Broadcasting Inc. ( CBS ) (full name: Columbia Broadcasting System ) is an American television network . Along with ABC , NBC and FOX , it is one of the country's four major television networks.