Asia War of the Heavenly Horses After having fought their way west across arid regions, the Han expeditionary force under Li Guangli fails to capture the Dayuan city of Yucheng and returns east to the area of Dunhuang, having lost 90% of their men. Emperor Wu of Han reinforces Li Guangli's army with 60,000 men, numerous horses and beasts of burden, and more than fifty high-ranking officers. Li Guangli's army then returns west. Han-Xiongnu War Spring – After the Xiongnu Left Commander offers to kill Er Chanyu and surrender to the Han, Emperor Wu sends the Han general Zhao Ponu with an army of 20,000 to invade Xiongnu territory. When Zhao reaches the Altay Mountains, the commander's conspiracy is discovered, and after killing the commander, Er marches against Zhao but suffers an initial defeat. Summer – The Han army retreats south, but the Xiongnu surround them. After capturing Zhao Ponu during the night, the Xiongnu defeat and force the surrender of the Han soldiers. The Xiongnu invade parts of China and unsuccessfully attack Shouxiang.
Asia War of the Heavenly Horses After having fought their way west across arid regions, the Han expeditionary force under Li Guangli fails to capture the Dayuan city of Yucheng and returns east to the area of Dunhuang, having lost 90% of their men. Emperor Wu of Han reinforces Li Guangli's army with 60,000 men, numerous horses and beasts of burden, and more than fifty high-ranking officers Li Guangli's army then returns west. Han-Xiongnu War Spring – After the Xiongnu Left Commander offers to kill Er Chanyu and surrender to the Han, Emperor Wu sends the Han general Zhao Ponu with an army of 20,000 to invade Xiongnu territory. When Zhao reaches the Altay Mountains, the commander's conspiracy is discovered, and after killing the commander, Er marches against Zhao but suffers an initial defeat. Summer – The Han army retreats south, but the Xiongnu surround them. After capturing Zhao Ponu during the night, the Xiongnu defeat and force the surrender of the Han soldiers. The Xiongnu invade parts of China and unsuccessfully attack Shouxiang.