公元前121年，汉武帝组织发动了河西之战，一举击溃了居住在河西的匈奴部落，河西走廊开始归属汉王朝管辖。
In 121 BC , Emperor Wudi launched a War at Hexi and defeated the Hun clans who lived there , which put the Hexi Corridor under the rule of Han Dynasty .
河西之战