《辽史·本纪·卷二十一》
初五，为应圣节，给太皇太后祝寿，宴饮群臣及命妇，册立妃萧氏为皇后。
戊子，应圣节，上太皇太后寿，宴群臣、命妇，册妃萧氏为皇后。
On the fifth day, in response to the grand festival, the emperor celebrated the birthday of the Grand Empress Dowager, feasted the ministers and the imperial concubine, and named his concubine Madam Xiao as empress.