佛祖歷代通載 22.157

22.157

（九　乙未）　成宗完者篤欽明廣孝皇帝即位（於甲午四月十四日十五日大赦。○改元貞元年）。

(Year 9: yiwei) Emperor Chengzong, Öljeitü Qinming Guangxiao, ascended the throne. (On the fourteenth and fifteenth days of the fourth month in jiawu, a great amnesty was granted. The era was changed to the first year of Yuanzhen.)