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Welcome to the new Annenberg Learner website! All of the current series have migrated to our new, streamlined interface. The legacy site is available at archive.learner.org through January 31, 2020.

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A Biography of America

The Twenties – Key Events

1901

Ford Motor Company founded

1908

First Ford Model T built

1913

Ford invents assembly Line

1920

KDKA transmits first commercial radio broadcast

1921

Federal Highway Act

1922 - 1923

Supreme Court decisions against strikes, child labor laws, and minimum wage laws

1923

Ku Klux Klan activity peaks

1925

Scopes trial

1927

Lindbergh trans-Atlantic flight

The Jazz Singer, first movie with sound, released

1929

Stock Market Crash

Units