Ratification of the Bill of Rights

Date: December 15, 1791 • Location: Washington, United States

The first ten amendments to the United States Constitution, collectively known as the Bill of Rights, were ratified.

Thirty-three amendments to the Constitution of the United States have been proposed by the United States Congress and sent to the states for ratification since the Constitution was put into operation on March 4, 1789. Twenty-seven of those, having been ratified by the requisite number of states, are now part of the Constitution.