• There were originally 12 amendments to the Constitution, but the first two were never ratified. Amendments three through 12 then became the Bill of Rights.
• The structure and content of the Bill of Rights was influenced by the Virginia Declaration of Rights written in 1776 by George Mason.
• The most recent, Amendment XXVII, was ratified on May 7, 1992. It was originally proposed on September 25, 1789, and was one of the two that was not passed in the original Bill of Rights. Amendment XXVII deals with the compensation, or paying of a salary, to members of the Senate and House of Representatives.

Read more and test your knowledge at GPO's Government Book Talk Blog Quiz and History for Bill of Rights Day December 15.