Yibin has a long history. Yibin was inhabited 40,000 years ago. Five or six thousand years ago, primitive farming had developed and clans and tribes appeared. In the pre-Qin period, the main residents were Bo people. According to legend, during the Warring States Period (3 16 BC), after Qin destroyed Shu, it belonged to Shu County. According to historical records, at the end of the Warring States period (about 250 years ago), Li will be included in the category of Shu County. Yibin county-level regime was established in Qin Dynasty and Western Han Dynasty. After the county was established, most cities were included in its scope. In the sixth year of Liang Wudi (135), Baodao County belonged to Qianwei County. In the first year of Zhao Di (86), Qianwei County moved to Bao Dao, and now Yibin City has become a place where counties and counties are jointly governed. After the Western Han Dynasty and the Eastern Han Dynasty, most cities today are in Daoxian County, Qianwei County. In the fifth year of Yongjia in the Western Jin Dynasty (302), Qianwei County and Bodao County were abandoned for a short time, and a large number of people came to Shu, occupying various places in the city today. In the 10th year of Liang Wudi Datong (544), the First Railway Company decided to occupy the "Yi Liao" here and set up Rongzhou in today's Yibin. Rongzhou, Yibin City is still established in the Northern Zhou Dynasty, and Waijiang County is newly established. Waijiang County was renamed Bodao County in Sui Dynasty, and it was not until the fourth year of Northern Song Dynasty (1 1 14) that Rongzhou was renamed Xuzhou and Bodao County was renamed Yibin County. From Sui Dynasty to Qing Dynasty, except for Jiang 'an County and pingshan county, which were once subordinate to Luzhou, Zhang Yue County, Mahu Road and Mahu House, most of them were subordinate to Qianwei County, Rongzhou County, Nanxi County, Xuzhou, Xuzhou Road and Xuzhou House. In the first year of the Republic of China (19 12), Suzhou House was still retained. Since the year of the Republic of China, all the present municipal districts and counties belong to Xia Chuan South Road. After 18, the road was abandoned, and all counties were directly under Sichuan Province. In June, 2004, the administrative supervision zone system was implemented. Sichuan Province is divided into 18 administrative supervision districts, and the Commissioner's Office of the Sixth Administrative Supervision District is located in Yibin, which governs all districts and counties except pingshan county (then the Fifth Administrative Supervision District). 1949 65438+February 1 1 Yibin was liberated. 1950 65438+ 10, Yibin Administrative Inspector's Office was established in the administrative area of southern Sichuan, and it was renamed Yibin Commissioner's Office in the same year 165438+ 10. September, 1952, Yibin District Commissioner's Office, Sichuan Province. 1954 Call Yibin Commissioner's Office.
1March, 957, pingshan county was transferred from Leshan area to Yibin area. At this point, the area of 10 counties in the whole city belongs to Yibin territory. 1July, 960, Luzhou area was merged into Yibin area, and Yibin Commissioner's Office of Sichuan Province administered two cities and 16 counties. 1April, 978, Yibin Commissioner's Office was renamed as Yibin District Administrative Office; At the same time, Longchang County was transferred from Yibin area to Neijiang area. 1983 In March, Fushun County was transferred from Yibin to Zigong City. In June of the same year, Yibin area and Luzhou city were established respectively, and the cities and counties under the jurisdiction of the original Luzhou area were successively drawn. To 1 May, 985, Yibin District Administrative Office administered 9 counties of1city. 1996 10, Yibin area was revoked with the approval of the State Council, and Yibin city was established, which was under the jurisdiction of Sichuan province. 1February 1997, Yibin Municipal People's Government was established. Yibin city governs 9 counties in 1 district, and by 2005, its geographical boundaries have not changed.