[stcredzero]

I don't, really. There isn't a sudden demarcation. It's more of a gradual shift. If you go back in time before then, you're predating the enlightenment. Democratic revolutions will be following the example of the British Colonies after that point.

[drjesusphd]

I guess I'm asking: how do you know that world leaders before about 1800 are significantly more sociopathic than now?