WWI The First Modern War: The Germans Engage In Unrestricted Submarine Warfare | History

In this scene, German submarines attack any and all ships they encounter, whether military or civilian. Subscribe for more WWI: Check out our Facebook games, and other exclusive content: Keep up to date with everything HISTORY by following us on Twitter: Don't miss a new episode! Sign up for WWI email updates: Follow HISTORY on StumbleUpon: WWI: The First Modern War Season 1 Underwater Killers HISTORY®, now reaching more than 98 million homes, 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, epic miniseries, and scripted event programming. Visit us at for more info.