The All-Wrongiverse1 storiesSeparate stories to tell; none of them intertwine, but they all occur because of one fact. The Rainboom did happen, but it didn't have quite the effects it did the first time around.[Alternate universes of alternate universes of alternate universes]
What if Applejack had never left Manehatten as a filly? Would it change who she was? Of course it would. Now, as a respectable Manehattenite, she is encouraged to visit her actual family in the small town of Ponyville.