Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Zhang Liao (169 222) was a military general under the powerful warlord Cao Cao during the late Eastern Han Dynasty and Three Kingdoms era of China. He had participated in many campaigns, including those against Yuan Shao''s heirs and the Wuhuan tribes. But he was most noted for his pivotal role in the Battle of Hefei in 208, where he successfully defended the city of Hefei against the advances of Sun Quan''s massive army.Chen Shou, author of the Records of Three Kingdoms, considered Zhang Liao among the five top generals of the Kingdom of Wei, along with Xu Huang, Yue Jin, Zhang He and Yu Jin.