The most brutal acts of revenge in history

The history of revenge essentially goes back as far as humans have existed. There's something biological about the desire to exact vengeance on others who have wronged us, and it indeed triggers a release of satisfying hormones—though in the long term it might bring newer consequences.

Revenge is even in our social contract, as we seek to serve justice to those who have wronged and been wronged, though it almost always feels more potent in our personal relationships. Hence when revenge is enacted, it often has a little personal flair that could perhaps tell you a bit about that person’s inner workings. And when it comes to some people, those inner workings are beyond devious.

Click through to see some of the greatest and most terrible ways revenge has played out in the past.

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