This Day in Halloween: The Hays Code or Hollywood's official office of self censorship officially goes into effect in 1934. /Illustration by Wynter Malone
The Hays Code or the Motion PictureProduction Code officially goes into effect in 1934. It requires all films to meet strict guidelines of content in order to be released in the U.S. Horror is affected more than any other genre until the code is replaced by the rating system in 1968.
