San Antonio (/ˌsæn ænˈtoʊnioʊ/ SAN an-TOH-nee-oh; Spanish for "Saint Anthony"), officially the City of San Antonio, is a city in Texas, United States. The city is the seventh-most populous in the United States, the second-largest in the Southern United States, and the second-most populous in Texas. It is the 12th most-populous city in North America, with 1,434,625 residents in 2020.
Founded as a Spanish mission and colonial outpost in 1718, the city in 1731 became the first chartered civil settlement in what is now present-day Texas. The area was then part of the Spanish Empire. From 1821 to 1836, it was part of the Mexican Republic. It is the oldest municipality in Texas, having celebrated its 300th anniversary on May 1, 2018.
Zhangxian, which belongs to Dingxi City, Gansu Province, has a poor name because of its important strategic position and is regarded as the "western barrier" of the Han Dynasty. Tianshi changed its name to Wuyang County in the second year of the Tang Dynasty, and changed its name to Zhangxian County during the Hongwu period of the Ming Dynasty. Zhangxian County is located in the central and southern part of Gansu Province, located in the transitional zone between the West Qinling Mountains and the Loess Plateau, Wushan County in the east, Zhuoni County in the west, Minxian County in the south, Longxi County and Weiyuan County in the north, with a total area of 2164.4 square kilometers and a population of 205876. Among them, non-agricultural population 19056 (2010), is a national poverty alleviation and development work key county. Zhangxian is "the hometown of broad beans in China" and "the hometown of Hippophae rhamnoides in China". It was named "Green County in China" by the China Environmental Protection Federation in August 2008 and was named by China in 2005.