《新唐书·本纪·卷八·穆宗 敬宗 文》
六月初九，在神策军营地建造望仙楼。七月初一，日月合朔，有日蚀。
六月甲申，作望仙楼于神策军。七月丙午朔，日有食之。
On the 9th of June, a Wangxian Tower was built at Shence Army Camp. On the 1st of July, at new moon, there was a solar eclipse.