American History Key Terms and Events (1945-1980)

A comprehensive list of key terms and events in American history from 1945 to 1980, highlighting significant figures, movements, policies, and societal changes.

Iron Curtain

A term used to describe the division between Soviet-dominated Eastern Europe and US-led Western nations.

Massive Retaliation

A military strategy that involves responding to an enemy's aggression with overwhelming counterstrikes, primarily through nuclear weapons.

Brinkmanship

The practice of pushing a dangerous situation to the verge of disaster in order to achieve the most advantageous outcome.

Nikita Khrushchev

Leader of the Soviet Union after Stalin, involved in Cold War tensions with the United States.

Flexible Response

A military strategy developed by Kennedy that expanded options beyond just nuclear weapons to counter communist threats.

Nixon Doctrine

US policy asserting that allies should take responsibility for their own military defense, with the US providing support but not direct intervention.

Détente

A period of eased tensions during the Cold War between the US and the Soviet Union in the 1970s.

House Un-American Activities Committee (HUAC)

A congressional committee that investigated suspected communist activities in the US, particularly in Hollywood.

Alger Hiss

A former US government official convicted of being a Soviet spy, which intensified fear of communism in America.

Julius and Ethel Rosenberg

American couple executed for allegedly passing atomic secrets to the Soviet Union.

McCarthyism

The practice of making unsubstantiated accusations of communism, particularly associated with Senator Joseph McCarthy.

Salvador Allende

Marxist President of Chile overthrown by a military coup supported by the US.

Ho Chi Minh

Leader of North Vietnam and founder of the Viet Minh, led resistance against France and the US.

Domino Theory

The idea that if one country falls to communism, neighboring countries will also succumb.

Sandinista Liberation Front

Nicaraguan leftist group that overthrew the Somoza dictatorship in 1979.

Vietcong

Guerrilla fighters in South Vietnam who opposed US involvement during the Vietnam War.

Robert Kennedy

US Senator, civil rights advocate, and brother of JFK who was assassinated in 1968.

Students for a Democratic Society

A student activist organization that opposed the Vietnam War and advocated for participatory democracy.

Eisenhower Doctrine

US policy providing military and economic aid to Middle Eastern nations resisting communism.

Carter Doctrine

Policy stating the US would use military force to protect its interests in the Persian Gulf.

Rosa Parks

Civil rights leader who initiated the Montgomery Bus Boycott by refusing to give up her seat.

Martin Luther King, Jr.

Leader of the civil rights movement who advocated for nonviolent protests for racial equality.

Southern Christian Leadership Conference (SCLC)

Civil rights organization led by Martin Luther King Jr., focusing on nonviolent protest for racial equality.

Student Nonviolent Coordinating Committee (SNCC)

Founded by students, this group initially expelled white members and adopted a Black Power stance.

Congress on Racial Equality (CORE)

Civil rights organization that utilized nonviolent protests to combat segregation.

Thurgood Marshall

NAACP lawyer who argued the Brown v. Board of Education case and later became the first African American Supreme Court Justice.

Sit-in Movement

Protests where activists occupied segregated spaces to challenge segregation laws.

Black Power

Movement advocating for racial pride, self-defense, and independence from white institutions.

Nation of Islam

Movement promoting Black empowerment and self-reliance.

Malcolm X

Prominent civil rights leader who initially supported Black separatism and later moderated his views.

Black Panther Party

Revolutionary organization advocating for armed self-defense and community programs for African Americans.

The Feminine Mystique

Book by Betty Friedan criticizing suburban domestic life and igniting second-wave feminism.

Chicano Movement

Mexican American civil rights movement focused on labor rights and cultural pride.

César Chávez

Labor leader who co-founded the United Farm Workers and led nonviolent protests for farmworker rights.

Dolores Huerta

Labor activist who co-founded the United Farm Workers and fought for workers' rights.

American Indian Movement (AIM)

Activist group advocating for Native American rights, treaty rights, and cultural preservation.

The Great Society

Lyndon B. Johnson's program aimed at eliminating poverty and racial injustice through federal initiatives.

Miranda v. Arizona

Supreme Court case requiring police to inform suspects of their rights before interrogation.

GI Bill of Rights

Legislation providing education and housing benefits to WWII veterans.

Silent Spring

Book by Rachel Carson exposing pesticide dangers, pivotal in launching the environmental movement.

Earth Day

The first nationwide demonstration for environmental protection, celebrated in 1970.

Environmental Protection Agency

Federal agency established to enforce environmental laws and protect resources.

Baby Boom

Significant increase in birth rates in the US following WWII.

Beats (Beatniks)

Cultural movement in the 1950s rejecting conformity, emphasizing artistic expression.

Rock and Roll

Music genre influenced by African American styles, reflecting cultural shifts in the 1950s.

The Counterculture

1960s youth movement characterized by the rejection of mainstream values, promoting peace and love.

Berkeley Free Speech Movement

Student protests at UC Berkeley advocating for free speech and political activism.

New Left

Activist movement of young people in the 1960s focused on civil rights and participatory democracy.

The Southern Strategy

Republican strategy to gain Southern support by appealing to racial divisions among white voters.

Phyllis Schlafly

Conservative activist who opposed feminism and blocked the Equal Rights Amendment.

Stagflation

Economic situation where inflation rises while the economy remains stagnant.

Cold War

The geopolitical and economic rivalry between the Soviet Union and the US from 1945 to 1991.

United Nations

International organization founded in 1945 to promote peace and security among nations.

Truman Doctrine

US policy established in 1947 to support countries resisting communism.

Central Intelligence Agency (CIA)

Agency coordinating intelligence and espionage for US national security.

Executive Order 9981

Order issued by President Truman to desegregate the armed forces.

Marshall Plan

US initiative providing economic aid to rebuild European nations after WWII.

Berlin Airlift

US and allies' operation to supply West Berlin during the Soviet blockade.

Organization of American States

Alliance of 21 nations in the Americas aimed at promoting democracy.

North Atlantic Treaty Organization (NATO)

Military alliance formed to deter Soviet aggression.

Korean War

Conflict between North and South Korea from 1950 to 1953, involving US intervention.

Development of the hydrogen bomb

US developed the hydrogen bomb in 1952, escalating the arms race.

McCarran-Walter Act

Act that maintained immigration quotas while allowing deportation of suspected subversives.

Brown v. Board of Education

Landmark Supreme Court case declaring segregation in public schools unconstitutional.

Southern Manifesto

Document opposing desegregation in Southern states, endorsing massive resistance.

Army-McCarthy Hearings

Televised hearings exposing Senator McCarthy's unfounded accusations against the Army.

Vietnam War (Eisenhower Administration)

U.S. began military aid to South Vietnam to prevent the spread of communism.

Sputnik I

The first artificial satellite launched by the Soviet Union, marking the start of the Space Race.

Civil Rights Act of 1957

The first civil rights law since Reconstruction aimed at protecting voter rights.

Alliance for Progress

Aid initiative by Kennedy to promote democracy and prevent communism in Latin America.

Bay of Pigs

Failed CIA-led invasion of Cuba that embarrassed the Kennedy administration.

Freedom Rides

Civil rights activists rode buses into the segregated South to challenge Jim Crow laws.

Vietnam (Kennedy Administration)

Increased U.S. military presence in Vietnam during Kennedy's presidency.

Cuban Missile Crisis

A 13-day standoff over Soviet missiles in Cuba that ended peacefully with negotiations.

March on Washington

1963 event where Dr. King delivered the 'I Have a Dream' speech advocating for civil rights.

Equal Pay Act

Law prohibiting wage discrimination based on sex.

Gideon v. Wainwright

Supreme Court ruling guaranteeing the right to counsel for indigent defendants.

Tonkin Gulf Resolution

Congressional authorization for escalation of military action in Vietnam.

Freedom Summer

Campaign to register Black voters in Mississippi met with violence.

Civil Rights Act of 1964

Landmark legislation ending segregation and prohibiting discrimination.

Title VII

Provision in the Civil Rights Act outlawing employment discrimination.

Medicaid

Federal program providing health coverage for low-income individuals.

Medicare

Federal program providing health insurance to seniors aged 65 and older.

Voting Rights Act of 1965

Law removing barriers to voting for Black Americans.

Watts Riots

Violent riot in Los Angeles reflecting racial tensions and civil unrest.

March from Selma to Montgomery

Civil rights marches that led to the Voting Rights Act.

Griswold v. Connecticut

Supreme Court ruling recognizing the right to privacy in marital relations.

Immigration and Nationality Act of 1965

Abolished discriminatory immigration quotas, favoring skill and family unification.

Vietnam (Johnson Administration)

Major escalation of U.S. combat operations during Johnson's presidency.

U.S. Occupation of the Dominican Republic

Military intervention to prevent perceived communist threats.

National Organization for Women (NOW)

Group advocating for women's rights and gender equality.

Tet Offensive

Surprise attack by North Vietnamese forces, shifting public sentiment against the war.

My Lai Massacre

Mass killing of Vietnamese civilians by U.S. troops that intensified anti-war sentiment.

Assassination of Martin Luther King Jr.

His murder sparked national unrest and accelerated civil rights legislation.

Stonewall Riot

Protests by LGBTQ+ community that ignited the modern Gay Rights Movement.

Woodstock

Iconic music festival symbolizing peace, love, and rebellion in 1969.

Vietnam War (Nixon Administration)

Implemented Vietnamization policy to withdraw troops while increasing bombing.

Kent State Shooting

National Guard fired on anti-war protesters, leading to four deaths.

Clean Air Act

Legislation aimed at reducing air pollution and protecting environmental health.

Strategic Arms Limitation Treaty I (SALT I)

Agreement limiting intercontinental ballistic missiles between the U.S. and USSR.