《资治通鉴·汉纪·汉纪五十三》
从四月到七月，一直没有降雨，谷价一斛值五十万钱。因为饥荒，长安城中的百姓出现人吃人的现象。
自四月不雨至于是月，谷一斛直钱五十万，长安中人相食。
From April to July, no rain fell throughout the period and a hu of grain was worth 500,000 cash. Because of the famine, people in Chang'an resorted to cannibalism.