Prohibits the manufacturing or sale of alcohol within the United States. (Repealed on December 5, 1933, by the 21st Amendment.) Proposed December 18, 1917; ratified January 16, 1919, 1 year later. The Eighteenth Amendment to the United States Constitution established the prohibition of alcohol in the United States. The amendment was proposed by Congress on December 18, 1917, and ratified by the requisite number of states on January 16, 1919. The Eighteenth Amendment was repealed by the Twenty-first Amendment on December 5, 1933, making it the only constitutional amendment in American history to be repealed. Wiki link