《旧唐书·本纪·卷十一》
夏四月四日，陕州虞邑县重又恢复为安邑县，虢州天平县重又恢复为湖城县。
夏四月壬寅，陕州虞邑县复为安邑县，虢州天平县复为湖城县。
On the 4th day of the 4th month of summer,虞邑 County of Shaan Prefecture was restored to its original name Anyi County, and Tianping County of Guo Prefecture was restored to its original name Hucheng County.