Okey so the rules are is the Byzantium empire is also Rome and I did mugols and Mongols since the mugols are decide to of the Mongols and you are to pick what great empire you admire the most and I would like to hear the reason and I am not listing Britain Prussia Russia France and Astria because I only want to put empires that ACCUALLY unified a region but if you like them you can post that [spoiler]inb4 everyone flaps to Rome [/spoiler] also the Egyptians aren't on here because they didn't make the cut and the mesopatians are meh.
Edit it must exsist
Edit for all intensive purposes lets say america is an empire
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Pretty sure Britain colonised roughly a third of the world under a unified leader, hence "Great" Britain.. Also I'm rather certain that the German empire also "unified" all the different Prussian States.. Lastly American isn't an empire and it never has had an empire, you simply colonised a land mass again an inferior type of people which isn't much to be proud of.. Personally I think Britain had one of the most powerful empires (Not only because I'm English) But because a third of the worlds land mass is a huge accomplishment, under the rule of a woman too who were degraded at the time :)