The Historical Evolution of Yunyang County

Yunyang County, in the first year of the East (3 14 BC), was the beginning of Bamuqin, and Yunyang County was established.

In the second year of Dixian Xingping in the Eastern Han Dynasty (195), it belonged to Yongning County; After six years of Jian 'an (20 1), he was transferred to Badong County; In the 21st year of Jian 'an (2 16), it was assigned to Guling County.

During the Three Kingdoms period, the first year of Zhangwu (22 1) belonged to Badong County.

During the Jin and Southern and Northern Dynasties, the names and subordinate relations of counties and counties in the Western Jin, Song, Qi, Liang and Western Wei remained unchanged. North Wednesday (568), renamed "Yun 'an".

In the Sui Dynasty, in 583, he was transferred to NSW. Daye three years (607), transferred to Badong County.

In the Tang Dynasty, in the first year of Wude (6 18), he was transferred to Xinzhou; In the second year of Wude (6 19), he was transferred to Kuizhou; In the first year of Tianbao (742), the abandoned Kuizhou was located in Yun 'an County, which was later restored to Kuizhou. In the first year of Zhenyuan (785), Yun 'an Salt Field set up Yun 'an Safety Supervision.

In Song Dynasty, in the sixth year of Kaibao (973), Yun 'an County was promoted to Yun 'an Army, leading Yun 'an County and Yun 'an Safety Supervision Bureau; In the fourth year of Xining (107 1), the cloud safety supervision was removed and Anyi county was established; In the eighth year of Xining (1075), Anyi County was abolished and merged into Yun 'an County; After the cancellation of Yunan Army and Yunan County.

In the Yuan Dynasty, in the fifteenth year of Yuan Dynasty (1278), the Yun 'an Army was restored; In the twentieth year of Zhiyuan (1283), all provinces and counties joined the army, and the army was changed to a state, named "Yunyang State", which belonged to Kuizhou Road.

In the fourth year of Hongwu in Ming Dynasty (137 1), he was a state official. In the sixth year of Hongwu (1373), in December, the state was reduced to a county, and it was named "Yunyang County" (it was cloudy at four o'clock, because the city was surrounded by two mountains and two rivers). Hongwu was transferred to Chongqing in the ninth year (1376); The fourteenth year of Hongwu (138 1 year) belonged to Kuizhou government.

The Qing dynasty followed the system of the Ming dynasty.

During the Republic of China, from 19 17, it was first defended by the 20th Army of the National Revolutionary Army and then by the 2nd1Army of the National Revolutionary Army. 1935 implements the new county system and is placed under the Wanxian Commissioner's Office of the Ninth Administrative Supervision District of Sichuan Province.

After the establishment of People's Republic of China (PRC), Yunyang County People's Government was established on June 6th, 1949+ 16, and Liwan County Commissioner's Office was established. 1955 1 month, renamed as "Yunyang County People's Committee"; 65438+May 0955, under Wanxian Commissioner's Office; 1969 10 month, also known as "Yunyang County Revolutionary Committee", Liwan County Regional Revolutionary Committee; 1981April resumed the title of "Yunyang County People's Government", which belongs to Wanxian District Administrative Office; 199265438+February, changed to Wanxian County; 1June, 997 18, listed by Chongqing Municipal People's Government, Yunyang was placed under Wanzhou Immigration Development Zone. On July 14, 2000, it was directly under the jurisdiction of Chongqing.