Movies and TvShows featuring "850s" theme.

Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in an elaborate pattern that mirrors the yearly cycle of the sun and the 19-year cycle of the moon. How did an ancient civilization, with no known written language, arrange its buildings into a virtual celestial calendar, spanning an area roughly the size of Ireland?

Based on the medieval legend of Pope Joan, who was made Pope for a brief period around 855 A.D. The movie presents her existence as fact, though it is questionable that Pope Joan really did exist, and portrays her relationships with other notables of the time.