《旧五代史·后唐·庄宗纪六》
二十三日，将应州作为云州的属郡，升新州为威塞军节度使，以妫、儒、武等州为其属郡。
庚申，以应州为云州属郡，升新州为威塞军节度使，以妫、儒、武等州为属郡。
On the 23rd, Yingzhou was established as a subordinate county of Yunzhou, while Xinzhou was promoted to the rank of chief military governorship of Weisei, and Gui, Ru, and Wu were its subordinate states.