The Consulate General of the United States in Shanghai is one of the six American diplomatic and consular posts in the People's Republic of China. First established in 1844 following the signing of the Treaty of Wanghia, the U.S. Consulate General in Shanghai had a presence until the conclusion of the Chinese Communist Revolution and it closed in 1950. It reopened in 1980 at its present location at 1469 Huai Hai Zhong Road (at the corner with ) in an early 20th-century mansion.