The history of horror films began with early myths and stories featuring demons and monsters. In the late 18th and 19th centuries, influential horror novels like Frankenstein and Dracula were published. The first horror films emerged in the late 19th century as well. The 1920s-1930s saw the rise of iconic horror films based on these novels. The genre became even more popular in the 1970s-1980s as new technologies allowed for improved special effects and production quality. Psychological horror films focusing on realistic human threats became prominent in the 1990s. Iconic modern horror films include Saw, Insidious, and Annabelle.