Who in your opinion is the dumbest well known figure in history?

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I say Adolf Hitler. By his own agenda even he wasn't good enough. He thought he would take the world over with only blonde hair blue eyed people. What would he do if a child was born without or even albino? Was Aldous Huxleys world what he wanted? Kids born only by peatrie dish?
I'm sure he thought he was a genius as he cowered in his bunker with his dumb wife.
Who in your opinion is the dumbest well known figure in history?
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