April 15 - Lee De Forest demonstrates the Phonofilm sound-on-film system at the Rivoli Theater in New York with a series of short musical films featuring vaudeville performers.
Safety Last, starring Harold Lloyd. In one scene, Lloyd is seen climbing around and hanging off the side of a tall building. Lloyd did all of his own stunts, and worked without a safety net.
The Ten Commandments, starring Theodore Roberts; directed by Cecil B. DeMille