Key Facts
- Founding leader
- Modu Chanyu, after 209 BC
- Core territory
- Mongolian Plateau and eastern Eurasian Steppe
- Active period
- 3rd century BC – late 1st century AD
- Successor states
- Han-Zhao, Xia, Northern Liang, Northern Zhou
- Primary rival
- Han dynasty of China
Imperial Zenith Metrics
Historical Trajectory
Phase I: Rise
The Xiongnu rose to prominence under Modu Chanyu after 209 BC, when he unified the nomadic tribes of the Mongolian Plateau and overthrew the Yuezhi as the dominant steppe power. Modu rapidly expanded Xiongnu influence across the eastern Eurasian Steppe, incorporating areas of modern Siberia, Inner Mongolia, Gansu, and Xinjiang, and forcing the early Han dynasty into a tributary heqin peace arrangement.
Phase II: Zenith
At their height, the Xiongnu controlled vast stretches of the Eurasian Steppe from Manchuria to Central Asia, commanding a mobile cavalry confederation that extracted silk, grain, and luxury goods from Han China through both tribute and raid. The chanyu's court served as the political and ceremonial center coordinating dozens of subordinate tribal chieftains across an enormous territory centered on the Mongolian Plateau.
Phase III: Decline
Prolonged Han military campaigns and internal succession disputes weakened the confederation, ultimately causing it to split into northern and southern branches in 48 AD. The Southern Xiongnu submitted to Han authority and were resettled within Chinese borders, while the Northern Xiongnu were eventually driven westward. Xiongnu descendants later founded several of the Sixteen Kingdoms states in northern China during the 4th and 5th centuries.
Notable Imperial Reigns
Selected rulers mapping the empire’s trajectory