These events cover the years from 1956 to 1959

1956 – 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
1956 – The U.S. refuses to provide military support the Hungarian Revolution
1956 – Elvis Presley appears on The Ed Sullivan Show for the first time.
1956 – Marilyn Monroe marries playwright Arthur Miller.
1956 – Jackson Pollock dies in a car crash
1956 – United States presidential election, 1956 (Eisenhower re-elected)
1956 – “In God We Trust” adopted as national motto
1957 – Eisenhower Doctrine, wherein a country could request American economic assistance and/or aid from military forces if it was being threatened by armed aggression from another state
1957 – Civil Rights Act of 1957, primarily a voting rights bill, becomes the first civil rights legislation enacted by Congress since Reconstruction
1957 – Soviets launch Sputnik; “space race” begins
1957 – Shippingport Atomic Power Station, the first commercial nuclear power plant in the U.S., goes into service
1957 – Little Rock, Arkansas school desegregation
1958 – National Defense Education Act
1958 – NASA formed as the U.S. begins ramping up efforts to explore space
1958 – Jack Kilby invents the integrated circuit
1959 – The NBC western Bonanza becomes the first drama to be broadcast in color
1959 – Cuban Revolution
1959 – Landrum–Griffin Act, a labor law that regulates labor unions’ internal affairs and their officials’ relationships with employers, becomes law
1959 – Alaska and Hawaii became the 49th and 50th U.S. states; to date, they are the final two states admitted to the union.

Credit-wikipedia.org