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.
Zhenjiang, a prefecture-level city under the jurisdiction of Jiangsu Province, is an important port and scenic tourist city in the Yangtze River Delta, with a geomorphological trend of high in the west and low in the east, high in the south and low in the north, belonging to the north subtropical monsoon climate, with a total area of 3847 square kilometers. it has jurisdiction over 3 districts and 3 county-level cities; the resident population is 3.1964 million in 2018. Zhenjiang changed its name many times: it was called "Zhu Fang" in the Spring and Autumn period, "Guyang" in the warring States period, "Dantu" in the Qin Dynasty, "Jingkou" in the three Kingdoms, "South Xuzhou" in the Southern Dynasty and Song Dynasty, and "Runzhou" after the unification of the Sui Dynasty. The name of Zhenjiang has been changed since the Northern Song Dynasty. Zhenjiang is located in the southeast coast of China, southern Jiangsu, the center of the north wing of the Yangtze River Delta, the only confluence hub of the Yangtze River and the Beijing-Hangzhou Grand Canal; Changzhou and Wuxi to the south, Yangzhou to the north and Nanjing to the west; it is an important traffic center in East China. Within the territory