"The Skynet Funding Bill is passed. The system goes on-line November 12th, 2007. Human decisions are removed from strategic defense. Skynet begins to learn at a geometric rate. It becomes self-aware at 2:14 a.m. Eastern time, August 29th. In a panic, they try to pull the plug..."

news.bbc.co.uk/1/hi/sci/tech/7087910.stm

"No, you shouldn't exist. We took out Cyberdyne over ten years ago. We stopped Judgment Day."
"You only postponed it. Judgment Day is inevitable."

Sorry, there was no way I could resist, having seen that headline - could you blame me?