Marquess Su of Zhao

Marquess Su of Zhao () (died 326 BCE, reigned 349 BCE – 326 BCE) reigned in the

State of Zhao Zhao () was one of the seven major states during the Warring States period of ancient China. It was created from the three-way Partition of Jin, together with Han and Wei, in the 5th century BC. Zhao gained significant strength from the mil ...

during the early

Warring States period The Warring States period () was an era in History of China#Ancient China, ancient Chinese history characterized by warfare, as well as bureaucratic and military reforms and consolidation. It followed the Spring and Autumn period and concluded ...

of Chinese history. Marquess Su of Zhao reigned during a time when the authority of the Zhou kings was fast declining. In 344 BCE, the Marquesses of

Wei Wei or WEI may refer to: States * Wey (state) (衛, 1040–209 BC), Wei in pinyin, but spelled Wey to distinguish from the bigger Wei of the Warring States * Wei (state) (魏, 403–225 BC), one of the seven major states of the Warring States per ...

and Qi agreed to recognize each other as kings (thus putting them on parity with Zhou royalty). Angered by the exclusion of his state, Marquess Su laid siege to Wei fortresses in the north. This failed; and in anticipation of possible retaliatory attacks, he ordered the construction of walls along the northern and southern borders, as well as along the course of the

Zhang River The Zhang River is a tributary of the Wei River in China. The river commences at the confluence of the rivers Qingzhang (or Clear Zhang, 清漳河) and Zhuozhang (or Turbid Zhang, 浊漳河), where between She county of Hebei and Linzhou of ...

. Marquess Su died in 326 BCE. The states of Qin, Chu,

Yan Yan may refer to: Chinese states * Yan (state) (11th century – 222 BC), a major state in northern China during the Zhou dynasty * Yan (Han dynasty kingdom), first appearing in 206 BC * Yan (Three Kingdoms kingdom), officially claimed indepe ...

, Qi, and

each sent ten thousand crack troops to Zhao to attend the funeral. His son, Zhao Yong, succeeded him and became King Wuling of Zhao. {{Monarchs of Zhao (state) Monarchs of Zhao (state) Year of birth missing 326 BC deaths Zhou dynasty nobility 4th-century BC Chinese monarchs Zhao (state)