"The Bill of Rights, twelve articles of amendment to the to the United States Constitution proposed in 1789, ten of which, Articles three through twelve, became part of the United States Constitution in 1791. Note that the First Amendment is actually "Article the third" on the document, Second Amendment is "Article the fourth", and so on. "Article the second" is now the 27th Amendment. "Article the first" has not been ratified." (Wikipedia) National Archives.