Ammendments in the Bill of rights By matthew_taekwondo Jan 16, 1919 18th amendment ratification Period: Jan 16, 1919 to May 7, 1992 The 18th through 27th amendment ratification dates Aug 18, 1920 19th amendment ratification Jan 23, 1933 20th amendment ratification Dec 5, 1933 21st amendment ratification Feb 27, 1951 22nd amendment ratification Mar 29, 1961 23rd amendment ratification Jan 23, 1964 24th amendment ratification Feb 10, 1967 25th amendment ratification Jul 1, 1971 26th amendmet ratification May 7, 1992 27 amendment ratification
