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The 21st Amendment: How Prohibition Was Repealed

The 21st Amendment ended the nationwide ban on alcohol, unique in its method of ratification and its lasting impact on American law.

By Garret Merkley · Explainer · Jul 7, 2026
Branched from Understanding the 18th Amendment and the Volstead Act
Quick take
  • The 21st Amendment repealed the 18th Amendment, thereby ending Prohibition in the United States.
  • It is the only amendment to the U.S. Constitution that was ratified by state conventions rather than state legislatures.
  • The repeal returned the power to regulate alcohol to individual states, leading to diverse local laws.
  • Its passage was driven by widespread public discontent, economic hardship during the Great Depression, and the rise of organized crime under Prohibition.

The 21st Amendment is the amendment to the U.S. Constitution that repealed the 18th Amendment, thereby ending the nationwide prohibition of alcoholic beverages. Ratified on December 5, 1933, it not only overturned the federal ban on alcohol but also granted individual states significant authority to regulate the production, sale, and consumption of alcohol within their own borders.

The Road to Repeal

By the early 1930s, public sentiment had largely turned against Prohibition. What was initially conceived as a moral crusade to improve society had, in practice, led to a surge in organized crime, widespread disrespect for the law, and a significant loss of tax revenue. The economic hardship of the Great Depression further intensified calls for repeal, as legalizing alcohol was seen as a way to create jobs and generate much-needed tax income for federal and state governments.

A Unique Ratification Process

Amending the U.S. Constitution requires a two-thirds vote in both the House of Representatives and the Senate, followed by ratification by three-fourths of the states. While most amendments have been ratified by state legislatures, the 21st Amendment stands alone in being ratified by special state conventions. Proponents of repeal believed that state conventions, whose delegates would be directly elected by voters solely on the issue of Prohibition, would be more likely to reflect the public's desire for repeal than state legislators, who might be swayed by well-organized anti-alcohol lobbies.

Congress proposed the 21st Amendment on February 20, 1933. Within months, states began holding their conventions, and the process moved swiftly. On December 5, 1933, Utah became the 36th state to ratify the amendment, reaching the three-fourths threshold and officially ending Prohibition nationwide.

One of a Kind
  • The 21st Amendment is the only amendment in U.S. history to repeal another amendment.
  • It is also the only amendment to be ratified by state conventions, a method provided for in Article V of the Constitution but rarely used.

The 21st Amendment fundamentally reshaped American law and society. It ended a tumultuous 13-year social experiment, restored individual freedoms, and created a massive legal industry, bringing substantial economic benefits through taxation and employment. More importantly, it established the principle of state control over alcohol regulation, a legacy that continues to define the patchwork of diverse alcohol laws across the United States, from varying legal drinking ages (within federal guidelines) to dry counties and specific restrictions on sales hours and locations.

Did the 21st Amendment make alcohol legal everywhere immediately?
No, while it ended federal Prohibition, the 21st Amendment gave states the power to regulate alcohol within their borders. This meant that some states or even specific counties could (and still do) choose to remain "dry" or impose their own restrictions on alcohol sales and consumption.
Why was the convention method used for ratification?
Proponents of repeal believed that delegates elected specifically to state conventions would more accurately reflect the public's desire to end Prohibition than state legislatures, which might be more influenced by well-established anti-alcohol groups.
Does the 21st Amendment affect alcohol laws today?
Absolutely. The 21st Amendment is the basis for the diverse alcohol laws across the United States. It allows states to set their own regulations regarding everything from the legal drinking age (within federal mandates for highway funding) to sales hours, licensing, and types of beverages sold.
Was there any opposition to the repeal?
Yes, despite widespread support for repeal, many temperance organizations and religious groups continued to oppose the legalization of alcohol. They argued that repeal would lead to a return of the social problems associated with excessive drinking, which had been a key driver for the original Prohibition movement.

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