User blog comment:Nerevarine465/My TES VI Prediction/@comment-200.217.107.1-20140731083529/@comment-8209010-20140804085049

You are right(that they are different, not that they are better), there have been four dominions and three empires. The Septim Empire lasted for an entire Era and spanned all of Tamriel. The Dominion has never done that.