The Song Dynasty
There were nine emperors
Headwear of the officials.
It consisted of a black hat with two wing-like flaps. The thin flaps are stiff and straight, and could extend up to almost a meter each.
The Song Dynasty is divided into two distinct periods the Northern Song and Southern Song.
Song capital was in the northern city of Bianjing, and most of inner China.the Song lost control of northern China to the jin dynasty.