《资治通鉴·宋纪·宋纪十五》
戊午，皇太子刘昱在东宫接见四方前来朝贺的官员，并接受各地方的贡品及报告。
春，正月，甲寅朔，上以疾久不平，改元。
On Wu Wu, Crown Prince Liu Yu received officials from all over the country in the East Palace and accepted tributes and reports from various places.