SummaryWere the early Dark Ages triggered by a natural event of cataclysmic proportions around 535 A.D.? A therory exists that a a volcanic explosion equal to two billion Hiroshima-size bombs caused an environmental calamity affecting human civilization from Mongolia to Constaninople, precipitating plague, famine, death, great migration, the Anglo-Saxon victory over the Celts and perhaps even the rise of Islam.
Human beings -- Effect of environment on -- History.
Natural disasters -- History.
Weather -- Effect of volcanic eruptions on.
Science television programs.
Historical television programs.
Documentary television programs.
Nonfiction television programs.
Video recordings for the hearing impaired.
|Publisher|| [Alexandria, Va.?] :PBS Home Video,2006
|Other Titles|| Secrets of the dead (Television program)
3BM Television (Firm)
WNET (Television station : New York, N.Y.)
Channel Four (Great Britain)
Title from container.
DVD; region 1; widescreen presentation.
1 videodisc (approximately 60 min.) : sound, color ; 4 3/4 in.