The Twenty-first Amendment (Amendment XXI) to the United States Constitutionrepealed the Eighteenth Amendment to the United States Constitution, which had mandated nationwide Prohibition on alcohol on January 16, 1919. The Twenty-firstAmendment was ratified on December 5, 1933.
Explanation: In 1919, the Eighteenth Amendment to the Constitution, which banned the sale, manufacture, and transportation of alcohol in the United States, was ratified.