Bài chi ti?t: L?ch s? bu?i ??u Ottoman Bulgaria và S? th?c t?nh dân t?c c?a Bulgaria???? ????? ????????? ? ???????? ???? ? ??????? ?????, ??????? ? ?????, ??????? ????????? ?? ?????? ??????, ???????????? ???? ? ?????? ???? ??????????? ????????? ?? ?????, ?????? ????, ???? ? ?????Aside from after getting a very important crossroad with the Romans