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Warren G. Harding was elected as the 29th President of the United States.
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Calvin Coolidge was elected as the 30th President of the United States after the death of Warren G. Harding.
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The Immigration Act limited the number of immigrants allowed entry into the United States.
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The Revenue Act cut Federal tax rates and established the United States Tax Court.
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Herbert Hoover is elected as the 31st President of the United States.
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Franklin D. Roosevelt was elected as the 32nd President of the United States.
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The second World War begins after Britain and France declare war on Germany.
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This attack on Pearl Harbor by Japan led to the United States entering the second World War.
