• Baltimore
  • Longchuan

Baltimore (/ˈbɔːltɪmɔːr/ BAWL-tim-or, locally: /bɔːldəˈmɔːr/ bawl-da-MOR or /ˈbɔːlmər/ BAWL-mər) is the most populous city in the U.S. state of Maryland, fourth most populous city in the Mid-Atlantic, and the 30th most populous city in the United States with a population of 585,708 in 2020. Baltimore was designated an independent city by the Constitution of Maryland[a] in 1851, and today is the most populous independent city in the United States. As of 2021, the population of the Baltimore metropolitan area was estimated to be 2,838,327, making it the 20th largest metropolitan area in the country. Baltimore is located about 40 miles (64 km) north northeast of Washington, D.C., making it a principal city in the Washington–Baltimore combined statistical area (CSA), the third-largest CSA in the nation, with a 2021 estimated population of 9,946,526.

Prior to European colonization, the Baltimore region was used as hunting grounds by the Susquehannock Native Americans, who were primarily settled further northwest than where the city was later built. Colonists from the Province of Maryland established the Port of Baltimore in 1706 to support the tobacco trade with Europe, and established the Town of Baltimore in 1729. The first printing press and newspapers were introduced to Baltimore by Nicholas Hasselbach and William Goddard respectively, in the mid-18th century.

The Battle of Baltimore was a pivotal engagement during the War of 1812, culminating in the failed British bombardment of Fort McHenry, during which Francis Scott Key wrote a poem that would become "The Star-Spangled Banner", which was eventually designated as the American national anthem in 1931. During the Pratt Street Riot of 1861, the city was the site of some of the earliest violence associated with the American Civil War.

Longchuan, known as "Yuanyuan" in Dai language, means the place where the sun shines. Dehong Prefecture, Yunnan Province, is located in the southwest border of China, connected with Myanmar by mountains and rivers and buildings. The border is 50.899 kilometers long, with a land area of 1931 square kilometers and a total population of 181580 (2010). The county seat Zhangfeng is 779km away from Kunming, the provincial capital. It is the end of China's southwest border. Longchuan County has jurisdiction over eight townships and four towns and one state-owned farm, with a total area of 1913 square kilometers, with an area of 350000 mu of arable land, with a per capita cultivated land of nearly 3 mu. The county has a total population of 180000, including 120000 agricultural people. The main ethnic minorities in the territory are Jingpo, Dai, Achang, Lisu, Deang and Hui, which have the largest population distribution of Jingpo and Achang in China. Longchuan is a typical frontier multi-ethnic farmer.
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