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Palmer Raids
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Eighteenth Amendment ratified
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U.S. agents arrest 1,700 people in Red Scare raids
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Nineteenth Amendment passed
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WWJ-Detroit broadcasts first commercial radio program
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Transcontinental airmail service inaugurated
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Budget Bureau set up to oversee federal spending
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Sheppard-Towner Act enacted
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Newspapers expose Ku Klux Klan
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Henry Luce publishes Time magazine
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Senate probes Teapot Dome scandal
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National Origins Quota Act
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Verteran's WWI bonus bill passed
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Scopes Trial
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First Martha Graham modern dance recital
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First nonstop flight from New York to Paris
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Sacco and Vanzetti executed
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Coolidge vetoes farm price-control bill
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The Jazz Singer, features singing-talking soundtrack
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Herbert Hoover wins election