《三国志·魏书·明帝纪》
九月，连降大雨，伊水、洛水、黄河、汉水等洪水泛滥，乃诏令曹真、司马懿等人班师回朝。
九月，大雨，伊、洛、河、汉水溢，诏真等班师。
In September, heavy rains fell continuously and the waters of the Yi, Luo, Yellow, and Han Rivers flooded, so an imperial edict was issued ordering Cao Zhen, Sima Yi, and the others to return their armies to the capital.