Harbor Defenses of New York later became known as the first system of US seacoast fortifications. In New York this was initially limited to the large Fort Jay on Governors Island, along with some small batteries on Oyster Island (later Ellis Island) and Bedloe's Island (later Liberty Island). These were simple earthworks at the time. Congress contributed to building Fort Jay in 1797, and in 1800 the state sold the fort, Governors Island, and Bedloe's Island to the federal government for one dollar. Oyster Island was similarly transferred in 1808. The federal government commenced building improved stone forts at all three locations. In June 1807,
200 Liberty Street 200 Liberty Street 200 Liberty Street, formerly known as One World Financial Center, is a skyscraper in Lower Manhattan, New York City. It is located at 200 Liberty Street between South End Avenue and West Street. It was built in 1985 as part of the World Financial Center complex. It is a 40-story building reaching the height of . It has a leasable area of . Similarly to other WFC buildings it has a unique roof which is a truncated square pyramid. It is connected to the rest of the complex by a skybridge over Liberty Street. The building is