Was the State of Zeng not recorded in Historical Records of the Zhou Dynasty? Zeng Guo? . This? Zeng Guo? It is not recorded in the history books, but it is already visible in Oracle Bone Inscriptions in Shang Dynasty? Zeng? Word, and as a place name, and as a party name.
According to historical documents, archaeologists follow the national territory and look at the same distribution range as Zeng bronzes. The bronze wares of Zeng state recorded that Zeng state was Ji surname, which was consistent with Sui state. Ceng Houyi's chime is the chime of the King of Chu, just like King Zhao of Chu who took refuge in the country. Later, Chu people may think that Zeng Guo and Guo Guo in the historical records may be evidence of a country's gratitude. This is just one view, and there are other views in academic circles. See my book What's the Relationship between Zeng State and Sui State in the Zhou Dynasty in History for details.
It can be said that it was once a vassal state of the Zhou Dynasty that was not clearly recorded in the handed down literature, but was basically discovered and revealed by archaeologists. Some archaeologists pointed out:? The archaeological work in the past 50 years has revealed a Zeng state, with clear contents such as its survival time, activity area, cultural characteristics and national attributes. In recent five years, the discovery of Ye Jiashan can help us understand the management of southern land in Zhou Dynasty and the social and production organizations of vassal countries under feudal system. The discovery of Yidi Port can enrich the social structure, aristocratic class and the relationship with the suzerain state of a vassal state under Chu system. ?
It should be noted that "Historical Records" and other documents do not record all the history, so archaeologists need to constantly restore the previous history.