Aszparuh

Khan Asparuh is a 1981 three-part Bulgarian historical action drama film directed by Ludmil Staikov. It tells the story of Khan Asparuh and the events around the founding of the medieval Bulgarian state in 681 AD. Shot and released on the occasion of the 1300th anniversary of Bulgaria, the film received acclaim and was selected as the Bulgarian entry for the Best Foreign Language Film at the 55th Academy Awards, but was not accepted as a nominee.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.