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Kansas becomes the first U.S. state to make a prohibition part of its state Constitution
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The U.S. senate passes the Volstead Act, one of the first significant steps towards the passage of the 18th Amendment. The law also known as the National Prohibition Act
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Commonly referred to at the time as June “Thirsty-First” — the first day after wartime prohibition started.
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The U.S. Congress passes the Volstead Act and establishes guidelines for the enforcement of prohibition.
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With the passage of Prohibition, a large black market develops around the country. The darker side includes gangs of bootleggers led by figures such as Al Capone, the boss of an organized crime syndicate in Chicago.
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The United States goes dry, shutting down the country’s fifth-largest industry.
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Prohibition agent Elliot Ness begins in earnest to tackle violators of Prohibition, including Al Capone's gang in Chicago.
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Herbert Hoover gives an acceptance speech for the Republican presidential nomination in which he discusses the ills of Prohibition and the need for its end.
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Newly elected President Franklin D. Roosevelt signs the Cullen-Harrison Act, which legalizes the manufacture and sale of certain alcoholic products. Support for Prohibition continues to wane, and many call for its removal.
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1st Amendment repealing Prohibition is ratified.