Final End
The Final End was the hypothetical extinction of the Dalek species as pondered by human historians. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)
The Second Doctor observed the "final end" of the Daleks as the Dalek Civil War raged in the Dalek City on Skaro, with Daleks loyal to the Dalek Emperor engaged against the Humanised Daleks the Doctor had created. (TV: The Evil of the Daleks) Human historians were aware of his use of the term but were also aware, as he would later learn, (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe) that the Daleks survived this event. (COMIC: Bringer of Darkness)