Zhongwei is located at the junction of Ningxia, Inner Mongolia and Gansu provinces in the middle and west of Ningxia, and borders Hongsibao District, Tongxin County and Qingtongxia City in wuzhong, Ningxia in the east. It is connected with Yuanzhou District and Xiji County in Guyuan City, Ningxia in the south, Pingchuan District, Jingyuan County, Huining County and Jingtai County in Baiyin City, Gansu Province in the west, and Alashan Zuo Qi in Alashan League, Inner Mongolia Autonomous Region in the north.
The ground span of the central defender is east longitude 104 degrees 17 minutes-106 degrees 10 minutes, and north latitude is 36 degrees 09 minutes -37 degrees 43 minutes. It is about130km long from east to west and about180km wide from north to south. The total area of the city 17448 square kilometers.
Extended data:
The historical evolution of central defender;
After the Qin Dynasty merged with the six countries, General Meng Tian led 300,000 foot soldiers and took the land north and south of the Yellow River before bringing the central defender into the centralized territory. In the twenty-sixth year of the first emperor (22 1 BC), the Qin Dynasty established Beidi County, to which Zhongwei belonged. In the second year of Emperor Gaozu of the Western Han Dynasty (205 BC), he conquered Beidi County, restored the fortress along the river and built a city in Zhongwei.
In the third year of Yuanshou in the Western Han Dynasty (BC120th year), Emperor Wudi moved more than 700,000 victims to the south of Hetao, and Zhongwei began to irrigate agriculture. From the sixth year of Ding Yuan to the second year of Yuanfeng (BC11to BC 109), the Spider Canal (now Meili Canal) was dug in China.
In the autumn of the 20th year of Yuan Taizu (1226), Genghis Khan went to Jiudu of the Yellow River via Shatuo (now Shapotou) and captured Yingli County (formerly Zhongwei County). In the autumn of the 22nd year of Yuan Taizu (1228), Genghis Khan died in Tiandu Mountain Palace in Haiyuan today.
In the first month of Yongle in the Ming Dynasty, Shen Bing (1February 9, 403) changed Ningxia Youwei to Ningxia Zhongwei, and transferred it to Dusi, Shaanxi Province, where there were 6,000 soldiers guarding it, hence the name Zhongwei.
In the fourth year of Ming Dynasty (1439), Confucianism was established in Zhongwei Confucian Temple, and in the thirty-first year of Jiajing (1552), Song Wenjian was the first person in Renwu Imperial Examination in Ningxia.
In the forty-ninth year of Kangxi (17 10), Zhongwei established Yingli Academy.
In October of the second year of Yongzheng, Ding You (1724 12 February 12), the Qing court decided to change Ningxia Zhongwei into a county.
In July of the 25th year of Qianlong (1760), Zhongwei County Annals, the first county annals of Zhongwei compiled by Huang Enci, the county magistrate of Zhongwei, was published.
In the 17th year of Guangxu (189 1), Zhongwei first set up a telegraph office.
In the 30th year of Guangxu (1904), several European companies set up wool purchasing agencies in the county.
In the thirty-first year of Guangxu (1905), in March, the imperial examination system was abolished and a school was opened.
In the second year of the Republic of China (19 13), the post office was abolished and postal services were opened.
In the third year of the Republic of China (19 14), the county tax bureau was established to collect taxes on printing, coal, bucket shops and consignment goods.
In the 9th year of the Republic of China (1920), at 7: 00 pm on February 16, an earthquake of magnitude 8.5 occurred in Haiyuan, with the intensity of1-12, which affected 65,438 provinces in northwest, southwest and north China.
In the Republic of China 15 (1926), Ninglan Highway was built, and Zhongwei began to use cars.
In 22 years (1933), the first telephone was opened.
In the 27th year of the Republic of China (1 938), on June1day, the first bank, Zhongwei Branch of Ningxia Bank, was established.
1949, 15 September, the 64th Army of the 19th Corps of the China People's Liberation Army liberated Xuanhe, 19 June, the 81st Army of the Kuomintang defected and surrendered, and the central defender was peacefully liberated.
Baidu encyclopedia-Zhongwei