The BBC and CBS are two major television networks. The BBC, or British Broadcasting Corporation, is a public service broadcaster based in the United Kingdom. It was founded in 1922 and is funded by the UK government. CBS, or Columbia Broadcasting System, is an American commercial broadcast television network. It was founded in 1927 and is owned by ViacomCBS. Both networks have been broadcasting for decades and have become some of the most popular and influential television networks in the world.