One of the first ever technical horror movies. While the term "horror" until the 30's, this can be considered one of the first of the genre. Hard to say if this or A Nightmare is the first film, but they do both use the same kind of jump cuts, and special props. Georges Melies is honestly crazy talented of an illusionist. I more or less covered this in my review for his film A Nightmare, but it isver mais...

According to Wikipedia in August of 2011, Le Manoir du diable by Georges Melies is the first horror movie. Well, actually its a short film (about three minuets or so) but film was really hard to come by in that time so this counts as a film to me. The plot of the film is basic, you have your hero being tormented by demonic things in a crazy castle room... However, that plot isn't what brought tver mais...