Hollywood first became the center of the film industry in the 1920s , after Cecil B. DeMille set up the town 's first movie studio near Highland and Sunset in a horse barn and filmed The Squaw Man , the first feature-length film , in 1913 .
After Cecil B. DeMille produced the feature-length film The Squaw Man near Highland and Sunset , Hollywood became the center of the film industries in the 1920s .