Originally Posted by Shrike
Uchiha clan wasn't obliterated because of the Kyuubi attack. They doubted the Uchiha did it, but had no proof.
However, they did have proof that they planned a coup via Itachi, whom they planted as a double spy because of those doubts they had.
And Sasuke was 8, Itachi was 13.
So that means the Kyuubi attack took place 8 years before the Uchiha massacre.
This is due to the fact Sasuke = Naruto in age.