High Quality Content by WIKIPEDIA articles! The Battle of Yiwulu, was a battle under a major expedition against the Xiongnu launched by the Han Dynasty in the February, 73, ever since the fall of Xin Dynasty. The battle was a success for the Han, who were led by Dou Gu. In 73, annoyed at the Xiongnu`s constant incursions against the northern border, the Han Dynasty dispatched four columns, commissioned generals Dou Gu and Geng Chong to lead an army against the Xiongnu from Jiuquan. The majority of this expedition only had minor successes, but had captured the Yiwulu area in this battle.