"The Time War? Because for his people, it was basically their war to end all wars. The Time Lords versus the Daleks, for the sake of all creation. From what the legends say, it lasted for at least 400 years in the linear sense of time. But when you consider that both races were fighting in countless numbers of time periods, who's to say how long it really lasted for? The thing is, when I met the Doctor he would rarely talk about it. He said he was the last of his species and that he was the one who ended the Time War. All the rest of the universe seemed to know for sure was that Gallifrey was gone and that the Daleks had completely vanished out of time and space."
Jack shrugged his shoulders as he looked over at Bill. "We found out later that he was wrong though about being the last one. The Master had fled the Time War and ended up hiding out at the end of the universe."