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March 4, 1921
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November 11, 1918
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January 1, 1970
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May 15, 1915
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Served 1917-1919
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January 1, 1919
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The 18th amendment, also known as prohibition, banned the production, the transportation, and the sale of intoxicating liquors. This led to the widespread of the temperance movement. The increase of bootlegging, illegal drinking spots, and the rise in gang violence and other crimes led to the end of prohibition in the 1920s. Soon congress adopted a resolution proposing a 21st Amendment to the Constitution that would repeal the 18th.
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Frederick Banting discovered the hormone insulin in pancreatic extracts of dogs. He first degenerated the pancreas then sliced it up, and froze the pieces in a mixture of water and salts the pieces were then were ground up and filtered. He then injected the hormone into a dog and found that it effectively lowered the dog's blood glucose levels to normal.
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The Immigration Act represented the first major attempt to restrict immigration into the United States. The establishment of a quota system limited immigration from southern and eastern Europe while allowing significant immigration from northern and western Europe. Asians were specifically excluded from immigration.
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Charles Lindbergh was the first to fly across the Atlantic nonstop and solo, direct from New York City to Paris. He started at Long Island, New York and ended at Le Bourget, Paris. His trip lasted 55 hours and ened on May 21, 1927.
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When the stock market crashed, it was also know as Black Tuesday. Billions of dollars were lost, in the aftermath of Black Tuesday, America and the rest of the industrialized world spiraled downward into the Great Depression.
