in 742 to face and defeat the northern threat from Khitans, Xi, Bohai and Heishui Mohe.
The area of the current city was previously along the coast of the Bohai, before the 1043 Yellow River Flood shifted the river's course in such a way that the shoreline was moved forward around 23 kilometers over the next century and a half.
Bohai Sea | Bohai | Bohai Train Ferry | Bohai Bay |
At the time that Yuan Lang became the governor of Bohai Commandery, the imperial government was dominated by members of the paramount general Erzhu Rong, who, after Emperor Xiaozhuang had killed Erzhu Rong in 530, overthrew and killed Emperor Xiaozhuang, installing Yuan Ye and Emperor Jiemin successively.