The House of the Devil is supposed to be the first Horror Film ever made. This short silent film was made by Georges Melies, a french pioneer filmmaker. This film was thought to be lost, until 1988, when a copy was found in the New Zealand Film Archive.
Writer and director Méliès, Georges. The House of the Devil, 1896. Internet Archive, public domain license. Information from Wikipedia(CC BY-SA 3.0).