Qin's campaign against the Xiongnu

Qin's campaign against the Xiongnu
Map of the Ordos region
Date 215 BC Location Ordos region Result Qin victory Territorial changes Chinese control over the Ordos, with border fortifications as a barrier between the Chinese state and nomadic territories
Belligerents
Qin dynasty	Xiongnu
Commanders and leaders
Meng Tian	Touman
Strength
Reported as 100,000 or 300,000 troops[1][2]	—

In 215 BC, Qin Shi Huang ordered General Meng Tian to set out against the Xiongnu tribes in the Ordos region, and establish a frontier region at the loop of the Yellow River.^[1] Believing that the Xiongnu were a possible threat, the emperor launched a preemptive strike against the Xiongnu with the intention to expand his empire.^[1]