Sacking Binns turned to be very difficult. Although aware to his death for more than a century, the ghost just couldn't understand why the lack of a physical body made any difference. "I still know my stuff as well as I did when alive, or possibly better, as I continued studying even after my death," he insisted.
"Are you aware of the changes in the world since then?" Harry asked him.
"Well, what can change in merely a hundred years? Some new spells invented, some old spells forgotten. There wasn't another Goblin rebellion, was there?"
"No, none of that, but we did have a tremendously powerful and dangerous Dark Lord rise and fall; there were some major wars fought on the continent, where magical folks also took part; Britain has lost its position as The Major power in the world, passin
