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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.
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Postwar prosperity ends with the 1929 Stock Market crash. The plummeting stock prices led to losses estimated to be $50 billion and started the worst American depression in the nation's history.
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President Herbert Hoover asks the U.S. Congress to pass a $150 million public works project to increase employment and economic activity.
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Prohibition is ended following the passing of the 21st Amendment to the U.S. Constitution..
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The Naval Expansion Act passes.
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The United States declares its neutrality in the European war after Germany invaded Poland,; this signaled the beginning World War II after a year of European attempts to satisfy Hitler and the aims of expansionist Nazi Germany.
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The United States government approves the sale of a surplus amount of war material to Great Britain.
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The attack on Pearl Harbor, Hawaii, which took the greatest amount of U.S. naval life in history, led to the entry of American troops into World War II. One day later, the United States of America declared war on Japan, officially entering World War II.
