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.
Baoding, known in ancient times as Shanggu, Baozhou, Zaocheng and Baofu, is located in the middle of Hebei Province and at the eastern foot of the Taihang Mountains. It is one of the central cities in Beijing-Tianjin-Hebei region and a part of China (Hebei) Free Trade Experimental Zone. It is known as "three passes controlled in the north, nine provinces in the south, and an important place in Gifu." it's called Nanpinghan. Today, the name of Baoding means "defend the capital and stabilize the world". Baoding has always been the "capital capital" and the "south gate of the capital". In the Qing Dynasty, Baoding was the capital of Zhili Province and the resident of the governor of Zhili Province. for nearly 300 years from 1669 to 1968, Baoding was the political, economic, cultural and military center of Hebei and the regional political center of China. After the founding of New China, it has also been the provincial capital of Hebei Province twice. Baoding is also the legendary hometown of Emperor Yao, with a history of more than 3000 years. It is the kingdom of Yan and Zhongshan in history.