Collapse of China's Later Han Dynasty, 25-220 CE
In the Later Han period the region covering the modern provinces of Gansu, southern Ningxia, eastern Qinghai, northern Sichuan, and western Shaanxi, was a porous frontier zone between the Chinese regimes and their Central Asian neighbours, not fully incorporated into the Chinese realm until the first century BCE. Not surprisingly the region had a large concentration of men of martial background...
In the Later Han period the region covering the modern provinces of Gansu, southern Ningxia, eastern Qinghai, northern Sichuan, and western Shaanxi, was a porous frontier zone between the Chinese regimes and their Central Asian neighbours, not fully incorporated into the Chinese realm until the first century BCE. Not surprisingly the region had a large concentration of men of martial background...
