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Prohibition was instituted with ratification of the Eighteenth Amendment to the United States Constitution on January 16, 1919, which prohibited the "...manufacture, sale, or transportation of intoxicating liquors within, the importation thereof into, or the exportation thereof from the United States..."
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Women are given the right to vote when the 19th Amendment to the United States constitution grants universal women's suffrage. Also known as the Susan B. Anthony amendment, in recognition of her important campaign to win the right to vote.
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The Teapot Dome scandal begins when the U.S. Secretary of the Interior leases the Teapot Oil Reserves in Wyoming.
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Time Magazine is published for the first time.
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All Indians are designated citizens by legislation passed in the U.S. Congress and signed by President Calvin Coolidge. The Indian Citizenship Act granted this right to all Native Americans that had been born within the territory of the United States.
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Nellie Tayloe Ross is inaugurated as the first woman governor of the United States in Wyoming. Miriam Ferguson was installed fifteen days later as the second during a ceremony in Texas.
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The NBC Radio Network is formed by Westinghouse, General Electric, and RCA, opening with twenty-four stations.
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On May 26, 1927, Henry Ford watched the 15 millionth Model T Ford roll off the assembly line at his factory in Highland Park, Michigan.
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Amelia Earhart becomes the first woman to fly over the Atlantic Ocean.
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In Chicago, Illinois, gangsters working for Al Capone kill seven rivals in the act known as the St. Valentine's Day Massacre.