《宋史·本纪·卷八》
二十一日，王旦加衔右仆射，赵元佐为太尉，赵元握进封相王。
甲子，王旦加右仆射，元佐为太尉，元偓进封相王。
On the twenty-first, Wang Dan was promoted to Right Chief Minister of the Secretariat, Zhao Yuanzuo became the Grand Tutor, and Zhao Yuanwo was promoted to the rank of a feudal prince.