King Zhaoxiang of Qin
Reigning over 55 years, he was one of the longest-serving rulers during the Eastern Zhou Dynasty. Although making numerous policy mistakes during his later years, his aggressive territorial expansions were pivotal in consolidating the state of Qin as the dominant military powerhouse in the late Warring States period. It was the strategic dominance established during his reign that paved the way to Qin's eventual successful unification of China under his great-grandson, Ying Zheng.
King Xiaocheng of Zhao
King Xiaocheng of Zhao (; reigned 265 – died 245 BCE) was a king of the State of Zhao during the Warring States period of ancient Chinese. His reign saw the decline of Zhao military power owing to the catastrophic defeat by Qin at the Battle of Changping.