《旧唐书·本纪·卷二十》
正月十三日，朱全忠率军屯驻在河中，派遣偏将寇彦卿奉上表章，请求圣驾迁都到洛阳。
己酉，全忠率师屯河中，遣牙将寇彦卿奉表请车驾迁都洛阳。
On the thirteenth day of the first month, Zhu Quanzhong led his troops to camp in Hezhong, and sent his lieutenant Kou Yanqing to present a memorial, requesting that the emperor move the capital to Luoyang.