Vlad Dracula, the famous bloody ruler of XV-th century is not only a myth. The legend is based on the real history of Wallachia and Transylvania.
Here is the trailer of a Dracula movie, "Son of Dracula" (1943):
Horror movies trailers
This is a short documentary I found on the web today.Basically, it tries to distinguidsh the historic Vlad III Dracula from Stoker's Count Dracula: