1945-1975

  • The US drops an atomic bomb on Hiroshima, Japan.

  • World War II ends.

  • The United Nations was established.

  • Philippines gained fulled independence from the US.

  • Truman Doctrine: prevent Soviet expansion during the Cold War

  • The Marshall Plan, which gave aid to European countries post-war to help rebuild their economies, came into effect.

  • Truman's second inaguration.

  • Period: to

    Korean War

  • Twenty-Second Amendment: limits the president to two terms.

  • Puerto Rico becomes a UC commonwealth.

  • Dwight Eisenhower is inaugurated as the US's 34th president.

  • Brown v. Board of Education of Topeka: declared state laws allowing segregation in schools to be unconstitutional.

  • Period: to

    Vietnam War

  • Martin Luther King Jr. delivers his "I have a dream..." speech.

  • President Kennedy is assassinated.

  • President Johnson signs the Civil Rights Act.

  • Martin Luther King Jr. is assassinated.

  • Nixon is inaugurated.

  • Jimmy Carter is inaugurated.