Greatest Conqueror Ever

[Professor S]

Hitler doesn't cut it just for the fact that he only held his conquered lands for a very short time and completely mismanaged the domestic part of his empire.

My vote is for Alexander the Great. He conquered so much and incorparated those that he conquered into his culture. Just look at all the cities name Alexandria around the world. No one could conquer him and it took an assassin to kill him to end his empire.