Research: The first animated film.

The first animated film was El Apóstol, made in 1917 by Quirino Cristiani from Argentina. He also directed two other animated feature films, including 1931's Peludopolis, the first to use synchronized sound. None of these was successful. The earliest successful animated feature, which used colour-tinted scenes, is the silhouette-animated Adventures of Prince Achmed (1926) directed by German Lotte Reiniger and French/Hungarian Berthold Bartosch. Walt Disney's Snow White and the Seven Dwarfs (1937) is often considered to be the first animated feature when in fact at least eight were previously released. However, Snow White was the first to become successful and well-known within the English-speaking world and the first to use cel animation.

First successful feature film - Snow White & the Seven Dwarfs