1955 – 1975

Vaccine for polio is made

1955

Made by Jonas Salk.

The Cold War

Period: 1955 to 1975

This was a period of indirect conflict between the United States and the Soviet Union.

Dwight D. Eisenhower's presidency

Period: 1955 to Jan 20, 1961

The Vice president was Richard M. Nixon.

Dwight D. Eisenhower's presidency

Period: 1955 to Jan 20, 1961

The Vice President was Richard M. Nixon.

The Vietnam War

Period: Nov 1, 1955 to Apr 30, 1957

This was a war in Vietnam and the United States was fighting against Vietnam.

First Heart Pacemaker is made

1960

Made by Wilson Greatbatch

John F. Kennedy's presidency

Period: Jan 20, 1961 to Nov 22, 1963

The Vice President was Lyndon B. Johnson.

Lyndon B. Johnson's presidency

Period: Nov 22, 1963 to Jan 20, 1969

The Vice President was Hubert H. Humphrey.

Richard M. Nixon's presidency

Period: Jan 20, 1969 to Feb 9, 1974

The Vice Presidents were Spiro T. Agnew and Gerald R. Ford.

Gerald R. Ford's presidency

Period: Aug 9, 1974 to 1975

The Vice President was Nelson A. Rockefeller.