On June 19, 1865, slavery officially ended in Texas. Now, we commemorate every "Juneteenth" with celebrations of freedom.

For 40 years, the U.S. government doctors behind the Tuskegee experiment tricked African-American men with syphilis into thinking they were getting free treatment — but gave them no treatment at all.

To overthrow President Batista's tyrannical government, Fidel Castro led a band of guerilla farmers in the Cuban Revolution — and was successful.

Chang and Eng Bunker were the original Siamese twins who wanted to live ordinary lives after touring as freak-show attractions for years. But considering they were connected at the liver, this could never truly be.

Adolf Hitler literally trusted Erwin Rommel, the "Desert Fox," with his life. He never could have expected that in 1944, Rommel would join a conspiracy to assassinate him.

Warren Jeffs was the prophet and president of a polygamist Mormon sect known as the Fundamentalist Church of Jesus Christ of Latter-Day Saints — until he was convicted and sentenced to life for child sexual assault.

This is the story of Linda Kasabian, who was the Manson Family's getaway driver, though she would ultimately be the woman responsible for Charles Manson's downfall.

Despite his mythic handicap, Ivar the Boneless a.k.a. Ivar Ragnarsson was the most fearsome Viking of his time and conquered England with his heathen army.

"In those days, we were very loyal Brits - stupid as that may sound. We were brainwashed into being little brown Britishers."

The friendship that blossomed between Queen Victoria and Abdul Karim scandalized the royal court, which tried to erase Karim from history once the Queen died.

Much of what we know about the Picts comes from the Romans, who praised the military prowess of these ancient Scots.