In date order... Some of the significant/favorite horror films that I have come across during my film-watching over the years. Some may not wholly fit into the category/genre of horror, though may have horror elements in them. Horror can be a frustrating genre to watch, which is guilty of a lot of regurgitation or laziness, but it still remains my favorite genre.
Ask yourself this, if you could only watch the horror films of one particular year for the rest of your life, what year would you choose? Mine might be 1985.