King Daniel wrote:
We know they had the giant Einstein-class ships, like the USS Kelvin, in the 2230's.
But that ship only existed in an alternative universe.
From Trekmovie.com, shortly after the release of the 2009 movie:
GaryS: Was the timeline that Nero visited the original past up to the point that George Kirk is killed? Or was it always an alternate timeline because Nero was destined to travel there?
BobOrci: We think of it is as identical to the original until Nero arrives.
Word of Bob Orci > T'Girl