Disney’s first feature-length animated film was Snow White and the Seven Dwarfs , which premiered in 1937 at the Carthay Circle Theatre in Los Angeles, California

. It was the first full-length cel-animated feature film produced in the United States and marked a pioneering achievement in animation history

. The film was based on the Brothers Grimm fairy tale and was a critical and commercial success, becoming the highest-grossing sound film of its time and holding the record as the highest-grossing animated film for 55 years