Xi is not only the four ancient capitals in China, but also the four ancient civilizations in the world. Chang 'an in ancient times, also known as Xi Du, Xijing, Daxing City, Jingzhao City and Fengyuan City. It is a well-deserved city with the most dynasties, the longest duration and the greatest influence in the history of China. There have been 65,438+03 dynasties, including Western Zhou Dynasty, Qin Dynasty, Western Han Dynasty, New Eastern Han Dynasty (early), Western Jin Dynasty (Yu Dynasty), Former Zhao Dynasty, Former Qin Dynasty, Later Qin Dynasty, Western Wei Dynasty, Northern Zhou Dynasty, Sui Dynasty and Tang Dynasty, which have established their capitals here for more than 65,438+000 years. It is also the capital of peasant uprising regimes such as Chimei, Lvlin, Daqi (Huang Chao) and Dashun (Li Zicheng). Wu Bolun, a historian, was the original advocate in the Western Zhou Dynasty (1 134-77 1), Qin Dynasty (22 1-207), Western Han Dynasty (204-24) and Zhao Dynasty (318). 56) Northern Zhou Dynasty (557-58 1) Sui Dynasty (58 1-6 17) Tang Dynasty (6 18-907) (2) Fourteen Dynasties. It was put forward by Shuxun Wang, a statistician and former deputy director of the Statistics Bureau of Xi 'an, in the article1992 "A Statistical Study on the Historical Capital Dynasty and Time of Xi 'an". In other words, four dynasties were added, namely, the New Dynasty, the Eastern Han Dynasty (Xian Di), the Western Jin Dynasty (Yu) and the Zhou Dynasty (Wu Zhou). The thirteenth dynasty said. Professor Niu Zhigong, a historian, wrote in 1993 about thirteen dynasties (IV) including the Western Zhou Dynasty, the Qin Dynasty, the Western Han Dynasty, the New Eastern Han Dynasty, the Western Jin Dynasty, the Western Zhao Dynasty, the former Qin Dynasty, the later Qin Dynasty, the Western Wei Dynasty, the Northern Zhou Dynasty, the Sui Dynasty and the Tang Dynasty. Professor Shi Nianhai, a historical geographer, demonstrated this. 1. Pick: Western Zhou Dynasty, 268; 2. Xianyang: Qin Dou,145; 3. Chang 'an: the capital of the Western Han Dynasty, 208; 4. Chang 'an: Xinmandu,15; 5. Chang 'an: Han () started again, 3 years; 6. Chang 'an: Chimeidu, 2 years; 7. Chang 'an: the Eastern Han Dynasty offered the capital of the Emperor, 6 years; 8. Chang 'an: Emperor Jinhui, Emperor Yu, 7 years; 9. Chang 'an: former capital of Zhao, 10 year; 10 Chang' an: former Qin capital, 35 years; 1 1. Chang 'an: the capital of the late Qin Dynasty, 32 years; 12 Chang 'an: the capital of the Western Wei Dynasty, 23 years; 13. Chang 'an: the capital of the Northern Zhou Dynasty, 25 years; 14 Chang' an: Suidu, 26 years; 15. Chang 'an: Tang Dou, 266; 16 Chang 'an: the capital of Qi (Huang Chao), 4 years; 17 Chang 'an: capital of Dashun (Li Baicheng), 2 years.