The State of Cao () was a vassal

state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...

in China during the

Zhou Dynasty The Zhou dynasty ( ; Old Chinese ( B&S): *''tiw'') was a royal dynasty of China that followed the Shang dynasty. Having lasted 789 years, the Zhou dynasty was the longest dynastic regime in Chinese history. The military control of China by th ...

(1046–221 BC). The state was founded sometime in the 11th century BC by Cao Shu Zhenduo (曹叔振鐸; d. 1053 BC), a son of

King Wen of Zhou King Wen of Zhou (; 1152–1050 BC, the Cultured King) was Count of state of Zhou, Zhou during the late Shang dynasty in ancient China. Although frequently confused with his fourth son Duke of Zhou, also known as "Lord Zhou", they are different hi ...

and younger brother of

King Wu of Zhou King Wu of Zhou () was the first king of the Zhou dynasty of ancient China. The chronology of his reign is disputed but is generally thought to have begun around 1046 BC and ended three years later in 1043 BC. King Wu's ancestral name was ...

. With its capital at Taoqiu (陶丘), the State of Cao covered roughly the area of modern-day

Dingtao County Dingtao District () is a district under the jurisdiction of Heze in Shandong province, China. Emperor Gaozu of Han's ill-fated consort Qi Consort Qi may refer to: Consorts with the surname Qi *Consort Qi (Han dynasty) (224–194 BC), concubine of ...

, Shandong Province. It was located on the flat country of the

North China Plain The North China Plain or Huang-Huai-Hai Plain () is a large-scale downfaulted rift basin formed in the late Paleogene and Neogene and then modified by the deposits of the Yellow River. It is the largest alluvial plain of China. The plain is bord ...

about 50 miles east of the point where the current course of the

Yellow River The Yellow River or Huang He (Chinese: , Standard Beijing Mandarin, Mandarin: ''Huáng hé'' ) is the second-longest river in China, after the Yangtze River, and the List of rivers by length, sixth-longest river system in the world at th ...

changes from east to north-east. To the northwest was Wey, to the northeast Lu and to the southeast

Song A song is a musical composition intended to be performed by the human voice. This is often done at distinct and fixed pitches (melodies) using patterns of sound and silence. Songs contain various forms, such as those including the repetitio ...

History

As a result of the Cao's relative weakness, later generations wrote few records on events concerning the state's history. The only major event recorded in the

Records of the Grand Historian ''Records of the Grand Historian'', also known by its Chinese name ''Shiji'', is a monumental history of China that is the first of China's 24 dynastic histories. The ''Records'' was written in the early 1st century by the ancient Chinese hist ...

during the Western Zhou Dynasty (1046 – 770 BC) was in 826 BC when Count You of Cao was killed by his younger brother Count Dai of Cao.

Sima Qian Sima Qian (; ; ) was a Chinese historian of the early Han dynasty (206AD220). He is considered the father of Chinese historiography for his ''Records of the Grand Historian'', a general history of China covering more than two thousand years b ...

, ''

'' At the beginning of the Eastern Zhou Dynasty (770 BC), the State of Cao suffered internal upheaval. In 760 BC,

Duke Mu of Cao Duke Mu of Cao (8th Century BCE) () was the eleventh ruler of the vassal Cao (state), State of Cao during the Chinese Zhou Dynasty#Western and Eastern Zhou, Eastern Zhou Dynasty (770 – 256 BCE) and Spring and Autumn period. Born Jī Wǔ (姬武), ...

killed his elder brother

Count Fei of Cao Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...

and appointed himself the eleventh ruler. He was the first ruler of the State of Cao to receive the title of "Duke" (公). During the

Spring and Autumn period The Spring and Autumn period was a period in Chinese history from approximately 770 to 476 BC (or according to some authorities until 403 BC) which corresponds roughly to the first half of the Eastern Zhou period. The period's name derives fr ...

the State of Cao became caught up in the struggle for

hegemony Hegemony (, , ) is the political, economic, and military predominance of one State (polity), state over other states. In Ancient Greece (8th BC – AD 6th ), hegemony denoted the politico-military dominance of the ''hegemon'' city-state over oth ...

between the states of Jin and Chu. In 637 BC

Chong'er Duke Wen of Jin (697–628BC), born Chong'er (literally "Double Ears"), was a scion of the royal house of Jin during the Spring and Autumn Period of Chinese history. He famously endured a long period of exile from his realm before finally bei ...

, son of

Duke Xian of Jin Duke Xian of Jin (, died 651 BC), ancestral name Ji (姬), given name Guizhu (詭諸), was the nineteenth ruler of the State of Jin. He was also the ninth ruler of Jin in the Spring and Autumn period and the second duke of Jin. When his father, ...

got into difficulties when passing through the State of Cáo and was treated rudely by

Duke Gong of Cao Duke Gong of Cao (? – 618 BCE) () was the seventeenth ruler of the vassal State of Cao during the Chinese Spring and Autumn period (770 – 475 BCE). Born Ji Xiang (姬襄), he was the son of Duke Zhao of Cao. In 637 BCE, during the exile of ...

. About 630 it was a vassal or ally of Chu. When Chu attacked Song, Jin made a diversionary attack on Cao. After Jin defeated Chu at the

Battle of Chengpu The Battle of Chengpu took place in 632 BC between the State of Jin and the State of Chu and its allies during the Spring and Autumn period of Chinese history. It was the first great battle in the protracted conflict between the states of th ...

in 632 BC, Jin crushed the State of Cao, rescued the

State of Song Song (; Old Chinese: *') was a state during the Zhou dynasty of ancient China, with its capital at Shangqiu. The state was founded soon after King Wu of Zhou conquered the Shang dynasty to establish the Zhou dynasty in 1046 BC. It was conquered ...

and took Duke Gong of Cao prisoner. After the defeat of the State of Chu, Cao followed the orders of its near neighbour the State of Jin. Later on, the States of Cao and Song became hostile towards each other.

Duke Jing of Song Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are ran ...

captured

Duke Dao of Cao Duke Dao of Cao (6th century BCE) () was the twenty-second ruler of the vassal State of Cao during the Chinese Spring and Autumn period (770 – 475 BCE). Born as Jī Wŭ (姬午), he was the son of Duke Ping of Cao from whom he inherited the t ...

in 515 BC and held him prisoner until his death. Thereafter, disorder broke out in Cao and Duke Dao's successors

Duke Sheng of Cao Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are ran ...

and

Duke Yin of Cao Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are ran ...

were killed one after another.

Duke Fei of Cao Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are ran ...

became ruler and betrayed the State of Jin by invading the State of Song. As a result, Duke Jing of Song attacked Cao. No troops from the State of Jin came to the rescue such that the State of Cao was exterminated in 487 BC after the capture of Duke Fei of Cao.

Legacy

Descendants of the people of Cao adopted the name of their former state. This is one origin of the Chinese Surname

Cao Cao or CAO may refer to: Mythology *Cao (bull), a legendary bull in Meitei mythology Companies or organizations * Air China Cargo, ICAO airline designator CAO *CA Oradea, Romanian football club *CA Osasuna, Spanish football club *Canadian Assoc ...

Rulers of Cao

Rulers family tree

References

External links