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First produced
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Signed on June 4, 1919, and ratified on August 18, 1920
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The first day of the stock market crash
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Roosevelt sent to Congress the Emergency Banking Act
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The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, at the Semipalatinsk Test Site, in Kazakhstan.
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May 17, 1954, U.S. Supreme Court Justice Earl Warren delivered the unanimous ruling in the landmark civil rights case Brown v. Board of Education of Topeka, Kansas. State-sanctioned segregation of public schools was a violation of the 14th Amendment and was therefore unconstitutional
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Rosa Parks refused to give up her seat to a white man on a bus in Montgomery, Alabama
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