I can’t believe that I am reading this! This is the equivalent of the revisionist history that many Indians forward. East of the Abasin has been Pakhtun territory for thousands of years. As some of the other member have given more than enough proof to your ridiculous assertion, I am not going to labor the point further.
Give it a rest, Pakhtunkhwa = has been home to Afghans/Pakhtuns for thousands of years. You’re right that it wasn’t called Pakhtunkhwa, it was Afghanistan