《旧唐书·本纪·卷十一》
这天郭子仪到奉天上任。这年，户部统计人口账簿，所管户数是二百九十三万三千一百二十五户，人口一千六百九十二万三百八十六人。永泰元年春正月一日是朔日，改广德三年为永泰元年。
今将大振纲维，益明惩劝，肇举改元之典，弘敷在宥之泽，可大赦天下，改广德三年为永泰元年。
That day, Guo Ziyi headed to Fengtian to take up his position. In that year, the ministry of Household Affairs recorded the population and households as 2,933,125 households with 16,923,386 people. On the first day of the first Lunar month of the spring of the first year of Yongtai, the third year of Guangde was changed to the first year of Yongtai.