佛祖歷代通載 18.73

18.73

（二十九　甲申）　○元昊十二月詔冊昊為夏國主。更名囊宵。

(29 / Jiashen [1044]) ○ In the twelfth month, an imperial edict enfeoffed Yuanhao as the Lord of the Xia State, changing his name to Nangxiao.