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  Brown combined law suits from 4 states and the district of colombia in which black plaintiffs claimed that segregated education systems were unconstitutional.
 Chief Justice Waren speaking for unanimous court versed Plessy v. Ferguson
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  A vaccine for polio is made and distributed throughout the country
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  Rosa Parks sits at the front of the bus when she is instructed to move to be back she doesn't move
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  The court held that the accused had the right to inspect government files used by the prosecution
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  The justices over turned the convictions of the communist party officals under the Smith Act
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  NASA was created to try and win the space race against Russia
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  Fidel Castro comes to power in Cuba
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