[quote=@Plank Sinatra]
<Snipped quote by Ruby>

So did LA go to Hell?

EDIT: I guess since it's the last part of the franchise that was ever televised, it probably wouldn't be, I just want to clear it up because the Senior Partners taking revenge on LA is a major moment and I want to make absolutely sure that it's not going to need to factor into backstory.
[/quote]

Technically, yes. Practically, no.

Technically yes, though no one would remember it, unless they were outside space/time. Some beings are, and some of those beings could, conceivably, share that knowledge through something like visions, or Giles' diaries. 

Practically no, because none of the PCs will have access to such a vision or those diaries, unless it's set up specially for a certain PC between that player and the GM.