《南史·本纪·卷八》
四月初八，益州刺史、新任命的假黄钺、太尉武陵王萧纪在蜀地僭登帝位，年号为天正。
四月乙巳，益州刺史、新除假黄钺、太尉武陵王纪僭位于蜀，年号天正。
On April 8th, the Governor of Yizhou, the newly appointed Bearer of the Fake Yellow Axe and Prince Wuling of Taisui (萧纪), usurped the throne in Shu and named his reign era Tianzheng.