The entertainment industry's roots date back to the early 20th century, when Hollywood emerged as a major film production hub. During the 1920s to 1960s, the industry experienced a golden age, marked by the rise of iconic studios like MGM, Paramount, and Warner Bros. These studios produced classic films, such as Casablanca (1942), The Wizard of Oz (1939), and Singin' in the Rain (1952), which continue to captivate audiences today.