Question: When is Empress He (Tang Dynasty)'s husband's birthday?
Sentence (from "Empress He (Tang dynasty)"): formally Empress Xuanmu (宣穆皇后) as honored by Later Tang, semi-formally known as Empress Jishan (積善皇后) (after the palace she resided in, Jishan Palace), was the wife of Emperor Zhaozong of Tang
Relevant evidence: Yes