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History's Secrets
Mysterious events, compelling figures and great unanswered questions from the past are explored, with a focus on the reclusive billionaire Howard Hughes; the CIA's top-secret experiments; the Unabomber and; little known stories from NASA's Apollo missions.
Runtime: 45:14 minutes
Quality: HD
First air date: Jan 01, 1970
Last air date: Jan 25, 2011
Episode: 27 Episode
Season: 4 Season
IMDb: 3.5
Keywords:investigation
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