The document provides a history of horror films, beginning in 1896 with the first horror movie "The Devil's Castle" which lasted only 3 minutes. It discusses some of the earliest films adapted from novels and how technology advanced to include sound and 3D. Some of the most influential and top 10 horror films are listed from the 1960s through 1990s. Finally, it explores how monsters in horror films often represent societal fears of the time and how zombies can symbolize moral breakdown or military control.