赤壁之戰
In 209, after the Battle of Red Cliffs, Chen Lan () and Mei Cheng () started a rebellion in Lu County (六縣; in present-day Lu'an, Anhui). Cao Cao ordered Zhang Liao to lead a force to suppress the revolt. Zhang He and Niu Gai () served as Zhang Liao's deputies and succeeded in eliminating the rebels.