Join us as we explain the wildest, weirdest, most shocking moments of all time in History Countdown - histv.co/countdown Mankind embarks on a new age of exploration, and tames the wilderness. In North America, Siberia and Australia, ancient traditions are swept away in the name of commerce and science, in Season 1, Episode 9, "Revolutions." #MankindTheStoryofAllofUs Subscribe for more from Mankind: The Story of All of Us and other great The HISTORY Channel shows: histv.co/SubscribeHistoryYT Check out exclusive The HISTORY Channel content: History Newsletter - histv.co/newsletter Website - histv.co/History Facebook - histv.co/Facebook Twitter - histv.co/Twitter HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network's all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.