1940s
1950s
1960s
1970s
1980s
100

This surprise attack in 1941 led the United States to enter World War II

What is the Attack on Pearl Harbor?

100

This conflict began in 1950 when the Northern communist country invaded its neighbor across the 38th parallel.

What is the Korean War?

100

This president created the Great Society programs.

Who is Lyndon B. Johnson?

100

This scandal led to President Nixon’s resignation in 1974.

What is the Watergate scandal?

100

This president promoted supply-side economics

Who is Ronald Reagan?

200

This project developed the first atomic bombs during World War II.

What is the Manhattan Project?

200

This Supreme Court case ended legal segregation in public schools.

What is Brown v. Board of Education?

200

This event nearly brought the United States and Soviet Union into nuclear war in 1962.

What is the Cuban Missile Crisis?

200

This amendment lowered the voting age from 21 to 18.

What is the 26th Amendment?

200

This wall symbolized the division between communist Eastern Europe and democratic Western Europe until 1989.

What is the Berlin Wall?

300

President Roosevelt called the United States this because it supplied weapons and materials to Allied nations.

What is the “Arsenal of Democracy”?

300

Senator Joseph McCarthy became famous for claiming these people had infiltrated the U.S. government.

Who are communists?

300

This civil rights organization, founded in 1960 by student activists, organized sit-ins, Freedom Rides, and voter registration drives throughout the South.

What is the Student Nonviolent Coordinating Committee?

300

This 1975 event marked the end of the Vietnam War, when North Vietnamese forces captured the capital of South Vietnam and the U.S. evacuated thousands of people

What is the Fall of Saigon?

300

This scandal involved secret arms sales to middle eastern country and aid to rebels in Nicaragua.

What is the Iran–Contra affair?

400

This program allowed the United States to send war materials to Allied countries before officially entering World War II.

What is the Lend-Lease Act?

400

The Soviet launch of this satellite in 1957 shocked Americans and intensified the Space Race.

What is Sputnik 1?

400

The Gulf of Tonkin Resolution greatly expanded U.S. involvement in this war.

What is the Vietnam War?

400

This Supreme Court case ruled that women have a constitutional right to an abortion under the right to privacy.

What is Roe v. Wade?

400

This disease emerged in the 1980s and became a major public health crisis in the United States, leading to widespread fear, activism, and a lack of government response for the gay community.

What is AIDS?

500

This Supreme Court case upheld the constitutionality of Japanese American internment during World War II.

What is Korematsu v. United States?

500

This discriminatory housing practice, often carried out by banks and the federal government, denied loans and mortgages to minority neighborhoods and contributed to segregation in American cities.

What is redlining?

500

This counterculture music festival became a symbol of 1960s youth culture.

What is Woodstock?

500

This 1970s energy crisis was triggered when Middle Eastern oil-producing nations reduced exports to the United States, leading to shortages and rising gas prices.

What is the 1973 oil crisis?

500

This proposed missile defense system announced by President Reagan in 1983 was nicknamed after a popular film franchise and aimed to protect the United States from nuclear attacks.

What is the Strategic Defense Initiative (Star Wars)?