Dou Xian's Defeat of Northern Xiongnu

Dou Xian, a general of the Eastern Han dynasty, led a decisive campaign against the Northern Xiongnu. In a series of battles, Han forces overcame the nomadic confederation, forcing them into submission and exile.

This victory significantly weakened the Xiongnu's power and expanded Han influence in the northern frontier. The campaign demonstrated the military strength and strategic planning of the Han dynasty during this period.