Hehe... 2nd Era Stuff... I'm gonna go out of business. (It sounds like it'd be very similar to A Province Divided save for it'd be all Daedra... If suggest the end of the third era, just before the OB Crisis) it could be a prequel of sorts to it.
And WITYM, I think you know what factions were in the Divided Province of Cyrodill
Well, from what I understood about the Fallout Conventions, they were mostly just meeting while the events that happened in the meeting only happened outside of the RP.
Though if we do go by what factions were in APD, that would work. Though most people will have to agree to it.