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Hace 20 horas · This is a list of when the first publicly announced television broadcasts occurred in the mentioned countries. Non-public field tests and closed circuit demonstrations are not included.
Hace 20 horas · CBS Broadcasting Inc., commonly shortened to CBS (an abbreviation of its original name, Columbia Broadcasting System ), is an American commercial broadcast television and radio network serving as the flagship property of the CBS Entertainment Group division of Paramount Global and is one of the company's three flagship subsidiaries, along with namesake Paramount Pictures and MTV .
