Home›Broadcasters›Parent Company›Warner Bros. Discovery, Inc.Browse ByWarner Bros. Discovery, Inc.FactsWarner Bros. Discovery, Inc.SourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1920 1Warner Bros. Discovery, Inc.Filter Results2 entriesMediumAllTelevision (2)Headquarters or CountryAllUnited States (2)Founding YearAll1972 (1)1980 (1)StatusAllActive (2)Show ResultsBrowseCompareSelect all 2CNNWarner Bros. Discovery, Inc.HBOWarner Bros. Discovery, Inc.Sources1. WikipediaWikimedia FoundationWikipedia: History of radio, Broadcasting sectionQuote, Wikipedia: History of radio, Broadcasting sectionOn 31 August 1920 the Detroit News began publicized daily news and entertainment "Detroit News Radiophone" broadcasts.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.