An unstable schizophrenic, Eduard would spend three decades in an asylum and was to his father Albert an "insoluble problem."

Serbian nationalist Gavrilo Princip fired two shots that would change the course of history, sentencing 40 million to die in war, and leaving the entire continent in tatters.

Over the course of 100 days in 1994, the Rwandan Genocide of Hutus against Tutsis claimed the lives of some 800,000 people — while the world sat by and watched.

What was meant to be a 90-minute mission became a 15-hour battle as two American Black Hawk helicopters were shot out of the sky, leaving the stranded soldiers surrounded.

Though Valak is well-known now thanks to "The Nun" and "The Conjuring," stories of this terrifying demon actually strech back centuries.

Victorian adventurer Richard Francis Burton was a poet, soldier, spy, and explorer — but that's not even the half of it.

The Cheyenne were promised protection if they rode down to Sand Creek. But when they arrived, they instead were systematically slaughtered.

Christina Crawford claimed that her mother was a sadistic parent. But those closest to Joan Crawford disagreed.

The steps to the Lindy Hop didn't actually include any hopping, but they did jumpstart a fantastical dance craze throughout the Jazz era.

With her insatiable fighting spirit, Kathleen Cleaver went from being a bookish child to a front-lines protestor with the Black Panthers.

The daughter of a cartel leader, Sandra Ávila Beltrán grew up surrounded by piles of cash — and never looked back.