On March 14 , 1915 , Laemmle opened the world 's largest motion picture production facility , Universal City Studios , on a 230-acre ( 0.9-km ² ) converted farm just over the Cahuenga Pass from Hollywood .
Following the westward trend of the industry , in 1915 , Laemmle opened the world 's largest motion picture production facility , Universal City Studios , on a 230 acres ( 0.93 km2 ) converted farm just over the Cahuenga Pass from Hollywood .