Only one (1) amendment to the U.S. Constitution has been passed and then repealed. The Twenty-first Amendment (Amendment XXI) to the United States Constitution repealed the Eighteenth Amendment to the United States Constitution, which had mandated nationwide Prohibition on alcohol on January 17, 1920. The Twenty-first Amendment was ratified on December 5, 1933.

The Twenty-first Amendment is unique among the 27 amendments of the U.S. Constitution for being the only one to repeal a prior amendment and to have been ratified by state ratifying conventions.

The Eighteenth Amendment will indeed remain in the Constitution, but a notation will be added to the effect that it is repealed by the Twenty-first.

More Info: