They began to walk slowly down the length of the room. “Well, relatively speaking, recent…  But it’s best to start at the beginning. For well over a thousand years, there were no humans left in Equestria. I myself was very young when humans were still alive. But after what happened to them… my sister and I devoted ourselves to wiping away every trace that they ever existed. Gradually ponies have forgotten what humans even were. Those who did thought they were made up.”