Caligula

No one was spared from Edward Longshanks' brutal temper—but his revenge against Simon de Montfort was horrifying, even for him.

Claudius suffered from ailments that his family—including Tiberius and Caligula—persecuted him for. Little did they know, Claudius was hiding a dark secret.

When Alexander the Great met with the ancient civilization of the Celts, he hoped they’d show their fear of him, but he was dead wrong.

Powerful. Beautiful. Poisonous. These words have been used to describe Agrippina the Younger—but few know her even darker history.

Ruthless King Facts. Kings throughout history have done dark, scandalous things. Here are facts about the most ruthless and fascinating monarchs.