| 1920 | - Prohibition begins.
- Women get the vote.
- Warren G. Harding elected president.
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| 1921 | - Sheppard-Towner Act.
- Congress restricts immigration.
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| 1922 | |
| 1923 | - Equal Rights Amendment defeated in Congress.
- Harding dies; Vice President Calvin Coolidge becomes president.
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| 1924 | - Dawes Plan.
- Coolidge elected president.
- Johnson-Reed Act.
- Indian Citizenship Act.
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| 1925 | |
| 1927 | - Charles Lindbergh flies nonstop across the Atlantic.
- Nicola Sacco and Bartolomeo Vanzetti executed.
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| 1928 | - Kellogg-Briand pact.
- Herbert Hoover elected president.
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| 1929 | - St. Valentine’s Day murders.
- Agricultural Marketing Act.
- Publication of Middletown.
- Stock market collapses.
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| 1930 | - Congress authorizes $420 million for public works projects.
- Hawley-Smoot tariff.
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| 1931 | - Scottsboro Boys arrested.
- Harlan County, Kentucky, coal strike.
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| 1932 | - River Rouge factory demonstration.
- Reconstruction Finance Corporation established.
- National Farmers’ Holiday Association formed.
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