| 1912 | Paramount Pictures is founded |
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| 1927 | CBS is founded |
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| 1929 | Paramount buys 49% of CBS |
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| 1932 | Paramount sells back shares of CBS |
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| 1950 | Desilu is founded & CBS distributes its television programs |
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| 1952 | CBS creates the CBS Television Film Sales division |
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| 1958 | CBS Television Film Sales renamed as CBS Films |
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| 1966 | Gulf+Western buys Paramount |
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| 1968 | Gulf+Western acquires Desilu and renames it Paramount Television & CBS Films becomes CBS Enterprises |
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| 1970 | CBS Enterprises renamed as Viacom |
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| 1971 | Viacom is spun off from CBS as a separate company |
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| 1985 | Viacom buys full ownership of Showtime & MTV Networks |
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| 1986 | National Amusements buys Viacom |
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| 1989 | Gulf+Western renamed as Paramount Communications |
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| 1994 | Viacom acquires Paramount Communications |
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| 1995 | Westinghouse buys CBS |
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| 1997 | Westinghouse renamed as CBS Corporation |
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| 1999 | Viacom buys CBS Corporation |
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| 2001 | Viacom buys BET Networks |
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| 2006 | Viacom splits into second CBS Corporation and Viacom |
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| 2019 | CBS Corporation and Viacom re-merge to form ViacomCBS |
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| 2022 | ViacomCBS changes its name to Paramount Global |
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