Today, 45 years ago, on February 25, 1980 (Calendar January 10, 1980), Beijing and New York were joined as friendly cities. On February 25, 1980, Beijing and New York were joined as friendly cities. New York was the first city and largest seaport in the United States, and was founded in 1686. In the late 18th century it was the capital of the United States. In 1825, the Ely Canal and subsequent railway connections with the Midwest communicated and developed into a huge transportation, industrial and financial center in the country. The city centre is in the Manhattan district, and the United Nations Building is located on the west bank of the East River. Broadway (the lower part of the city) is a famous entertainment center. Wall Street is the core of financial centers and monopoly organizations.