James Madison introduces twelve proposed amendments to the United States Constitution in the House of Representatives; by 1791, ten of them are ratified by the state legislatures and become the Bill of Rights; another is eventually ratified in 1992 to become the 27th Amendment.

Twenty-seventh Amendment to the United States Constitution
United States Bill of Rights
State legislature (United States)
Ratification
United States House of Representatives
List of amendments to the United States Constitution
James Madison