Although the silent era produced many notable horror films such as The Cabinet of Dr. Caligari, The Phantom Carriage, and Nosferatu, the 1930s was a true Golden Age for the horror genre. Most associate 1930s horror cinema with the Universal Monster movies that produced iconic pop culture villains such as Frankenstein's Monster, Count Dracula, and the Invisible Man.
Source:https://www.cbr.com/10-greatest-classic-horror-films-of-the-1930s-ranked/