Thirteen dynasties were all in Xi 'an, including Western Zhou, Qin, Western Han, Xin Mang, Eastern Han, Western Jin, Former Zhao, Former Qin, Later Qin, Western Wei, Northern Zhou, Sui and Tang Dynasties.

Xi 'an was called Chang 'an and Jingzhao in ancient times. It is one of the four ancient capitals in the world, and is recognized by the China Ancient Capital Society as the ancient capital with the most dynasties and the longest history of imperial capital in China. 1 100 For many years, it was once the capital and political, economic and cultural center of China.

It is the capital with the longest history, the most dynasties and the greatest influence in China. It is the cradle of the Chinese nation, the birthplace of Chinese civilization, the representative of Chinese culture, and has the reputation of "Natural History Museum".