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.
Longxi County is located in the southeast of Gansu Province, in the middle of Dingxi City, in the upper reaches of Weihe River, in the middle of Longzhong Loess Plateau. It is connected with Tongwei County in the east, Wushan and Zhangxian in the south, Weiyuan County in the west and Anding District in the north. It belongs to Dingxi City, Gansu Province. Longxi gets its name because it is to the west of Longshan. Since ancient times, it has been the "country of the four Serbs", a place that must be fought for by military families. As far back as the prehistoric period, the ancestors thrived on this land, leaving cultural sites such as Yangshao and Qijia. King Zhao of Qin Dynasty established Longxi County in the 35th year (272 BC) and Xiangwu County in the early Han Dynasty. The Sui Dynasty changed to Longxi County, and the name of the county is still in use today. As of 2016, Longxi County covers an area of 2408 square kilometers and has jurisdiction over 10 towns, 7 townships, 215 administrative villages, 11 communities, 1287 village groups, with a total population of 519200.