The Federal Hall was built in 1700 as New York's City Hall, later served as the first capitol building of the United States of america under the Constitution, as well as the site of George Washington's inauguration as the first President of the United States under the Constitution. It was also where the United States Bill of Rights was introduced in the First Congress. The building was demolished in 1812.
The Federal Hall National Memorial was built in 1842 as the United States Custom House, on the site of the old Federal Hall on Wall Street, and later served as a sub-Treasury building. It is now operated by the National Park Service as a national memorial commemorating the historic events that occurred there.