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.
Lintao County, known as Didao in ancient times, belongs to Dingxi City, Gansu Province, and gets its name because of the Tao River in the territory. Lintao County is located in the middle of Gansu Province and the west of Dingxi City. It is located in the confluence zone of the Loess Plateau and the Qinghai-Tibet Plateau. Tao River, the largest tributary in the upper reaches of the Yellow River, passes through the city. As of October 2018, the county has a total area of 2851 square kilometers and a total population of 552900. There are 21 ethnic groups, including Han, Hui and Dongxiang, under the jurisdiction of 12 towns and 6 townships, with the county government stationed in Taoyang Town. Lintao has been a famous city in the northwest and an important town in Longyou since ancient times. it is located on the main road of the ancient Silk Road and is one of the important birthplaces of the ancient culture of the Yellow River. Since the establishment of Didao County in the 18th year of King Zhou'an (384 BC) and the establishment of Longxi County in the 27th year of King Zhao of Qin Dynasty (280 BC), it has been a county, state, state, government and county government.