Since Qin Shihuang unified China, the history of China calligraphy has been opened. In Qin Shihuang's time, China's writing was rather confusing, and the original six countries had their own writing styles.

However, the standardized Chinese characters are still seal script, also called big seal script, which is different from the writing system of Zhou Dynasty in Oracle Bone Inscriptions that we later discovered. However, due to the independence of princes in the Spring and Autumn Period and the Warring States Period for more than 400 years, the characters of various countries also have their own characteristics.

Many scripts are quite different from the original Western Zhou scripts. Qin Shihuang unified China, of course, facing the problem of unified writing. So an order was issued, and Prime Minister Li Si presided over the unification of national standard characters.

Extended data:

More than 8,000 years ago, magnetic mountain culture, Fiji and Khan Lee cultures appeared in the Yellow River Basin. There are many characters-like symbols on the hand-made ceramics unearthed in Fiji and Khan Lee, which are the chaotic combination of the communication function, note-taking function and pattern decoration function of the ancestors. Although these Chinese characters are unrecognizable by modern people, they are indeed the embryonic form of Chinese characters.

Immediately after the Banpo site of Yangshao culture about 6000 years ago, some painted pottery with similar characters were unearthed. These symbols are distinguished from patterns, which promotes the development of Chinese characters. This can be said to be the origin of China characters.

Then Erlitou culture and Erligang culture. In the archaeological excavation of Erlitou culture, there are 24 kinds of pottery tablets engraved with marks, some of which are similar to Oracle Bone Inscriptions in Yin Ruins, and all of them are single independent characters.

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