Board Thread:Online Discussion/@comment-12.109.215.53-20140509032520/@comment-4651167-20140514011117

Most of the history between Tiber Septims time and ESO is fairly obscured (Probably because it hasnt been written by Bethesda yet - haha).

- Short Answer -

As for the outcome of the alliance war, there is one solid absolute. The Nords win due to leadership from Talos (Who upon rising to becoming Emperor, changed his name to Tiber Septim). As to whether or not the Dunmer or the Argonians are involved in this victory at the time, that is unknown.

- Long answer -

(Bear in mind that alot of this is just a summary of Tiber Septims page on the wikia)

Due to a dozen historical events, the Nords allied with the Bretons during the battle of Sancre Tor. This would make one assume that both the Ebonhart Pact and the Daggerfall Convenant had long since ceased to exist since during ESO, the Nords and the Bretons are solid enemies. After Septim is crowned Emperor, Ysmir also impresses upon him the need to conquer Morrowind. Since Septim pretty much rules Skyrim AND Cyrodiil, that would make one assume that the Ebonhart Pact has most certainly ceased to exist and the Dunmer are either neutral to the Nords or once again enemies.

Another reason why Morrowind needed to be conquered is because of it's Ebony, which Septim desperately needed in order to rebuild a shattered imperial city after 400 years of war. Which if you think about it, is a damn long time.

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The Altmer are recongized in Tiber Septims history. Mostly Septim considered the possibilty of invading the Summerset Isles but this never happened. It's also worthy of note that the Aldmeri Dominion is never mentioned and as such, it's possible that the Dominion also fell apart.

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As for Hammerfell, Septim had little trouble in conquering it. Ironically enough, considering how difficult he expected the task to be.

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As such, it stands to believe that during Talos' time, all three factions have long since disbanded and while the war for Cyrodiil still raged on, it seemed to have considerably shifted to being an internal civil war with outside influences from the surrounding nations.

Also, in saying this, there is some considerable conflict in the history of Tiber Septim and I advise either healthy debate or to form your own solid conclusion.