recent years it has now claimed the 1935 merger as its founding date. Films References Twentieth Century Pictures Mass media companies established in 1933 American companies established in 1933 Mass media companies disestablished in 1935 American companies disestablished in 1935 Defunct American film studios 20th Century Studios Defunct organizations based in Hollywood, Los Angeles Defunct companies based in Greater Los Angeles Entertainment companies based in California 1933 establishments in California 1935 disestablishments in California Film production companies of the United States Film studios in Southern California