Perhaps it's a result of it being the first century to be extensively observed and documented through the use of contemporary technology, but the 20th century on the whole is one of the most violent, oppressive, and cruelest eras in history. As the world's political climate changed rapidly, moving from a time of monarchs, empires, and colonialism to democracies and independent rule, humans waged the messed-up World War I , the far worse World War II , too many other deadly armed conflicts, and so many famines and genocides that it's even hard to comprehend.

Those wars, the systematic torture, oppression, and murder of millions, as well as the genocides, are definitely the handiwork of a handful of the 20th century's most feared and depraved political leaders. Dictators, presidents, a

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