Throughout the course of history, disease outbreaks have ravaged humanity, sometimes changing the course of history and, at times, signaling the end of entire civilizations. Here are 10 of the worst epidemics and pandemics, dating from prehistoric to modern times. - Videos • Explainers • Science News SUBSCRIBE to the Live Science YouTube channel → http://www.shorturl.at/fzCV5 Twitter→ https://twitter.com/LiveScience Facebook→ https://www.facebook.com/livescience Instagram→ https://www.instagram.com/live_science/ For the science geek in everyone, LiveScience.com breaks down the stories behind the most interesting news and photos on the Internet, while also digging up fascinating discoveries that hit on a broad range of fields, from dinosaurs and archaeology to wacky physics and astronomy to health and human behavior. If you want to learn something interesting every day, #LiveScience is the place for you.