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Senator Joseph McCarthy gains power and McCarthyism
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22nd Amendment, establishing term limits for President.
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United States presidential election
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Julius and Ethel Rosenberg were executed
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Joseph McCarthy discredited in Army-McCarthy hearings
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Warsaw Pact, which establishes a mutual defense treaty subscribed to by eight communist states in Eastern Europe this includes the USSR
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President Eisenhower secures passages of Interstate Highway Act, which will construct 41,000 miles (66,000 km) of the Interstate Highway System over a 20-year period
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United States presidential election
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Soviets launch Sputnik
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NASA formed as the U.S. begins ramping up efforts to explore space
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cuban revolt conducted by Fidel Castro