《元史·本纪·卷一》
冬，十月，金国宣抚使蒲鲜万奴占据辽东，建立伪号，自称天王，国号为大真，改年号为天泰。
冬月，金宣抚蒲鲜万奴据辽东，僣称天王，国号大真，改元天泰。
In winter and October, Puxian Wannu, the appeasement envoy of the Jin Dynasty, occupied Liaodong, established a false title, called himself the King of Heaven, the national title as Great Zhen, and changed the era name to Tiantai.