To be exact, Qin Shihuang unified the six countries for 22 1 year plus 20 19 years, which is equal to 2240 years. Exactly an integer. The existence of the Chinese nation can be traced back to more than 5000 years ago. The ancestor of the Chinese nation is generally recognized as the Yellow Emperor Yan Di, and later generations proudly call themselves descendants of the Yellow Emperor. This age is far away. Because there is no exact data to prove the accuracy of this era, there is such a thing in legends and myths. After Qin Shihuang unified China, he claimed to be Zulong, the ancestor of primitive human beings. As a result, later generations thought that Qin Shihuang was powerful, so they said that later generations were descendants of dragons. After the success of Emperor Gaozu's resistance to Qin and Chu, the Han Dynasty was established for 400 years, forming a big nation, namely the Han nationality. As can be seen from the above description, civilization should be supported by words, have a foundation and have physical proof. The unification of Qin Shihuang includes the unification of characters. This is the child's clothes, with a bun on the head and a summary. There is a record. There is evidence. The Qin dynasty ended early, and the burden was left to the Han dynasty. Chinese civilization can be carried forward and spread to future generations, with far-reaching influence.

So, what about the civilization before Qin and Han Dynasties? This involves legends and Xia, Shang and Zhou dynasties. Legend has it that the Xia dynasty should exist exactly, regardless of self-protection, otherwise there would be no Chinese national civilization of 5 thousand years. Xia Civilization: 2070 BC to 65438 BC+0600 BC. It is concluded that: 2070 October 20 19=4089. This is close to 5000 years 1000 years. This does not conform to the concept of 5000 years. What should I do? Maybe with the legend before summer, it will be 5000 years. But this is not convincing. Therefore, we must find another piece of evidence. According to archaeological discoveries and physical evidence in recent years. Compare Sanxingdui civilization in Guanghan, Sichuan, and see if the information is enough: Sanxingdui civilization site is about 2800 BC to 600 BC. 2800 20 19=48 19, which is close to 5000. Please note that this is an approximate value, not an accurate reference value. With this statement, 5,000 years of civilization will be well founded. Supported by words and evidence. This is very important.

It is true that Qin Shihuang unified China for more than 2,000 years, but there is no doubt that it refers to 5,000 years of Chinese civilization. China is well-founded for 5,000 years. These are two different concepts and cannot be confused.

Quote more materials (see my relevant answer).

Sanxingdui site is located in Guanghan, Chengdu Plain. The site includes three cultural periods, namely Baodun culture, Sanxingdui culture and Twelve Bridges culture. Baodun was between 2800 and 2000 BC, Sanxingdui culture was between1700-10/50 BC, and shierqiao culture was between 65438 and 065438 BC. The age of the Twelve Bridges culture is too late, and it has reached the Zhou Dynasty. Let's put it this way: Xia Civilization: 2070 BC to 1600 BC. Sanxingdui: 2800 BC to 600 BC. From this point of view, Sanxingdui existed more than 700 years before Xia Dynasty, and Xia Dynasty died before Sanxingdui civilization 1000 years. This contrast is really scary. What kind of existence is this? There is no doubt that this is a lonely existence outside Xia civilization, which is covered by its existence time. Sanxingdui extends to ancient times to myths and legends, and to the first 600 years of the future Zhou Dynasty. Linking the time when Qin developed the ancient Shu kingdom in the early days, the context of China has been linked for 5,000 years, with no interval. This has some origins.

The symbolic existence of Sanxingdui culture is that a number of bronzes have been unearthed, and only bronzes can show the extraordinary achievements of this civilization. It is a bronze culture system, which exists in an independently formed regional closed environment. (This is evidence), thus confirming that 5000 will not be a gap.

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