CBS

Radio: September&#160;18, 1927 &#59;&#32;97 years ago &#160;( 1927-09-18 )
Television: July&#160;1, 1941 &#59;&#32;83 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; 97 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; 97 years ago; Television: July 1, 1941; 83 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.