《旧唐书·本纪·卷六》
夏四月，皇上亲自祭祀明堂，大赦天下，改元为万岁通天，特许民间大宴饮七天。
夏四月，亲享明堂，大赦天下，改元为万岁通天，大酺七日。
In the fourth month of summer, the emperor personally performed sacrifices in the Ming Hall, granted a general amnesty, changed the era name to Wansuitongtian, and allowed banquets to be held in the common people for seven days.