Wichita (/ˈwɪtʃɪtɔː/ WITCH-ih-taw) is the largest city in the U.S. state of Kansas and the county seat of Sedgwick County. As of the 2020 census, the population of the city was 397,532. The Wichita metro area had a population of 647,610 in 2020. It is located in south-central Kansas on the Arkansas River.
Wichita began as a trading post on the Chisholm Trail in the 1860s and was incorporated as a city in 1870. It became a destination for cattle drives traveling north from Texas to Kansas railroads, earning it the nickname "Cowtown". Wyatt Earp served as a police officer in Wichita for around one year before going to Dodge City.
Minxian, which belongs to Dingxi City, Gansu Province, is named because of Minshan, which is located in the south of Dingxi City, Gansu Province. The establishment of Minxian County can be traced back to the eighth year of Qin Wangzheng (239 BC), which was called Lintao, which was the western starting point of the Qin Great Wall. Minzhou was established in the 10th year of Emperor Wendi's Great Unification of the Western Wei Dynasty (AD 544), changed to Minxian County in 1913, and was placed under the jurisdiction of Dingxi after 1985. Minxian County has jurisdiction over 9 townships and 9 towns, with a total area of 3578 square kilometers and a total population of 490300 (2014). The government is resident in Minyang Town. Minxian County is located on the edge of the Qinghai-Tibet Plateau, is the Gannan grassland to the Loess Plateau, Longnan mountain transition zone, the territory elevation of 2040-3754 meters, known as "Longyuan dry Wharf". The climate is plateau continental climate, low temperature and dry, frequent natural disasters.