During the Eastern Zhou Dynasty, Li Jin, Li Jue and Qin Li changed frequently.
After Qin unified the six countries, the whole country implemented the county system, with a county in Yulin today, and a Yangzhou county near Caojiagua in Shijiawan Township of Zichang County.
During the Chu-Han War, in February of the first year of Emperor Gaozu (206 BC), Xiang Yu enfeoffed a vassal (now east of Lintong County), named Dong Yun King Zhai, changed the county to Zhai, and the territory was Zhai.
In July, the Eastern Jin Dynasty surrendered to the Han Dynasty, and Yangzhou was the county of the Western Han Dynasty.
During the Xin Mang period, Wang Mang changed Yangzhou County to Shang Ganoderma lucidum, which still belonged to Shang Jun County.
At the beginning of the Eastern Han Dynasty, Lingshi was abandoned, and Fushi County was established (near Suide), and Zichang County was Fushi County of Shang Jun County.
In the eighteenth year of Jianwu (42), he stopped state grazing and resumed the state secretariat department. The territory belongs to the state secretariat, and it is still a pumice county.
During the Three Kingdoms period, the area was occupied by Hu Qiang, and no county was established.
During the Eastern Jin Dynasty, the territory was pre-Qin, post-Zhao and post-Qin.
In the third year of the Eastern Jin Dynasty (407), Helian Bobo established Wancheng (now Jingbian Baichengzi) in the north of Shejishui (now Wuding River) and the territory of Xiaguo.
During the Southern and Northern Dynasties, the territory was under the jurisdiction of Northern Wei, Western Wei and Northern Zhou.
Guangguangyuan Year of Northern Wei Dynasty (424) was under the jurisdiction of Zhou Xia.
In the middle of the Northern Wei Dynasty, at the junction of Zichang and Yanchuan County, Weiping County and Shuofang County were established, with the territory of Weiping County.
In the first year of Turtle (5 18), Chengzhong County was established in the northeast of this county (Zizhou), and its territory belonged to Chengzhong County and Weiping County.
During the Northern Zhou Dynasty, the territory was Yanzhou City and Weiping County.
In the first year of Emperor Kai of Sui Dynasty (58 1), Chengzhong County was renamed Chengping County, avoiding the father of Jane, and moved three miles eastward (now Qingjian County). The territory still belongs to Chengping and Weiping counties, and it belongs to Yanzhou.
In the third year of Daye (607), Yanzhou was abolished, and Yan 'an County was established, belonging to Yan 'an County.
In August of the 13th year of Daye (6 17), Yan 'an and Diaoyin counties belonged to the Tang Dynasty.
In the first year of Tang Wude (6 18), it was merged into prefectures and counties, divided into Tianxia 15 roads, and its territory was Yanchuan County, Yanzhou, located in Guannei Road.
In the first year of Tianbao (742), the state was changed to a county, and the territory was Yanchuan County, Shang Jun.
During the Five Dynasties and Ten Kingdoms period, the territory was successively under the jurisdiction of Hou Liang, Houtang and Zhou Liyan.
At the beginning of the Northern Song Dynasty, Yanzhou, where Li Lang spoke, was still Yanchuan County.
During the Taoist period (995-997), the territory was occupied for two summers.
In the first year of Kangding (1040), Anding Village was upgraded to Anding Fort.
In the first year of Li Qing (104 1), Dantou Village was established (in Dantou Village, Shijiapan Township).
Fu Yuanyuan (1098), Qiang village is located in the northwest of Andingbao.
In the first year of Chongning (1 102), a mountain parallel city was built in the northwest of Andingbao. In the eighth year of Zhenghe (1 1 18), it was renamed Zhicheng.
In the third year of Zheng Da (1226), the three villages of Shengsuiping, Huaining and Kerong were Suiping, Huaining and Kerong. Now Nangoucha Township in Zichang County is under the jurisdiction of Huaining, and the rest are Yanchuan County.
In the second year of Emperor Xianzong of Mongolia (1252), Andingbao was promoted to Anding County, belonging to Yan 'an Road.
In the first year of Yuan Dynasty (1264), Dantou County was separated and merged into Anding County in the fourth year of Yuan Dynasty (1267).
In the second year of Hongwu in Ming Dynasty (1369), Yan 'an Road was changed to Yan 'an House, and Zichang County was under the jurisdiction of Suide House.
In the Qing Dynasty, the administrative system of province, province, prefecture and county was implemented, with Zichang County as Yan 'an Prefecture and Shaanxi Province as the tunnel.
In the second year of the Republic of China (19 13), the province was divided into two levels, namely, branch roads and counties, and Zichang County was subordinate to Yulin Road in Shaanxi.
Twenty-two years (1933), abandoned the road system, and the county directly returned to the province.
In the 23rd year (1934), in August, * * * Shaanxi Special Committee established the first county-level political power in northern Shaanxi-Anding County Revolutionary Committee. 10 was renamed as * * temporary Soviet of Chi Yuan county, 12 was renamed as * * * first county Soviet of northern Shaanxi together with Nanjing * * * Shaanxi.
In February of the 24th year (1935), the Soviet of Xiuyan County was established in China (located in Liushugou Village, Yujiawan Town today, and merged into Anding County in the border area in June of 1937).
At the end of the same year 1, Baimiaocha (now Ansai County) in northern Shaanxi was established.
In April of the same year, the Northwest Working Committee established Chongyuan County in the northwest of Anding County and north of Ansai County (undisclosed), and Zichang County was established in this area in May (1937+00 abolished in June).
Chi Yuan, Xiuyan and Zichang counties belong to the north of Shaanxi Province.
In September of the same year, Chi Yuan, Xiuyan and Zichang were placed in Shaanxi, Gansu and Shanxi provinces.
10, Wayaobao City (county-level organizational system) was established, and it was also subordinate to Shaanxi, Gansu and Shanxi provinces.
1 1 month, * * * the central government entered wayaobao and became the red capital of China revolution.
After the establishment of the Northwest Office, Chi Yuan, Xiuyan, Zichang and Wayaobao were under the jurisdiction of Northern Shaanxi Province.
In September of the 26th year (1937), Anding County in the border region and Anding County in Shaanxi Province were juxtaposed on the map, and Anding County in the border region was directly under the Shaanxi-Gansu-Ningxia border region.
Twenty-nine years (1940), on February 29th, Anding County, Shaanxi Province was withdrawn, and its territory was under the jurisdiction of Anding County in the border area.
In the thirty-first year (1942), on May 1st, with the approval of the Shaanxi-Gansu-Ningxia Border Region, Anding County was changed to Zichang County, which is still in use today.
After the founding of People's Republic of China (PRC), the people of Shaanxi Province issued a regional division order on May 2, 1950, and Zichang County was under the jurisdiction of Suide District.
1956 10 5. Zichang County is under the jurisdiction of Yan 'an Agency.
1958, 1 1, Ansai county was revoked, and the northern part of the former Ansai county was included in Zichang county, 196 1, and it was returned to Ansai in June.