The Battle of Kunyang (昆陽之戰) was fought between June–July in 23AD, between the Lulin and Xin forces. The Lulin forces were led by Liu Xiu, who later became Emperor Guangwu of Han, while the far more numerous Xin were led by Wang Yi and Wang Xun (王尋). Wang Xun was killed during a foolish attack on Liu's force with a small contingent of his force, and the Lulin forces disrupted the remainder of the Xin army, forcing Wang Yi to retreat. This was the decisive battle that led to the fall of the Xin Dynasty.

• http://en.wikipedia.org/wiki/Battle of Kunyang