Constitutional Amendments By ddubczak Period: Jun 21, 1788 to Apr 27, 2011 United States Constitution Dec 15, 1791 First Amendment Dec 15, 1791 2nd Amendment Dec 15, 1791 3rd Amendment Dec 15, 1791 4th Amendment Dec 15, 1791 5th Amendment Dec 15, 1791 6th Amendment Dec 15, 1791 7th Amdendment Dec 15, 1791 8th Amendment Dec 15, 1791 9th Amendment Dec 15, 1791 10th Amendment Jan 8, 1798 11th Amendment Sep 25, 1804 12th Amendment Dec 18, 1865 13th Amendment Jul 28, 1868 14th Amendment Mar 30, 1870 15th Amendment Feb 25, 1913 16th Amendment May 31, 1913 17th Amendment Jan 29, 1919 18th Amendment Aug 26, 1920 19th Amendment Feb 6, 1933 20th Amendment Dec 5, 1933 21st Amendment Mar 1, 1951 22nd Amendment Apr 3, 1961 23rd Amendment Feb 4, 1964 24th Amendment Feb 23, 1967 25th Amendment Jul 5, 1971 26th Amendment May 7, 1992 27th Amendment