Map showing Chinese military expedition in 121 BCE
Chinese military expedition led by Hue Quebing and Gongson in summer of 121 BCE.
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During the summer of 121 BCE, General Hue Quebing and the Heqi marquis Gongson lead an expedition of tens of thousands of cavalry against the Xiongnu. They engaged the enemy in the Qinlan Mountains and killed or captured over thirty thousand Xiongnu.