Who knows why some people are just predisposed to evil? Doesn’t it sometimes seem that so many of these hateful, ruthless people become powerful leaders? Perhaps their ability to reach a position of power can even be attributed to that ruthlessness. Throughout history, certain notorious leaders have been active proponents of hate and violence. Often, the root of this hate lies in a fear of the foreign or unknown, compounded and even excused by a misguided feeling of righteousnesses and the greater good.
Whatever the reason, there have probably been more evil, vilified rulers in history than there have been truly good and noble ones. It’s hard to categorize and rank levels of evil – is any type of evil really better than another? – but here is a list of 10 worthy contenders for most ruthless, power- and blood-hungry leaders in mankind’s short history.