History's Greatest Mysteries: The Valentine's Day MASSACRE of the 1920s (S6)

On February 14th, 1929, one of the most shocking murders in mob history goes down in Chicago--and becomes known as the Valentine's Day Massacre. See more in this clip from Season 6, Episode 3, "The Valentine's Day Massacre." Watch all new episodes of History's Greatest Mysteries, Mondays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule. #HISTORY #HistorysGreatestMysteries Find out more about the series and watch full episodes on our site: http://histv.co/HistorysGreatestMyste... Don't miss a video! Subscribe NOW:    / @history   ABOUT THE HISTORY CHANNEL: The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. FOLLOW HISTORY CHANNEL: Watch Full Episodes: https://www.history.com/videos Sign Up For History Emails: https://www.history.com/emails/sign-up Browse Topical Videos: https://www.history.com/topics Facebook:   / history   Instagram:   / history   TikTok:   / history   X:   / history   YouTube:    / @history   Copyright Notice: This video and my YouTube channel contain dialog, music, and images that are property of The HISTORY® Channel. You are authorized to share the video link and channel, and embed this video in your website or others as long as a link back to our YouTube Channel is provided. © 2025 The HISTORY® Channel History's Greatest Mysteries: The Valentine's Day MASSACRE of the 1920s (S6)    / @history