The Progressive Era & WWI (1900–1919)
Roaring Twenties & Great Depression (1920–1939)
WWII & The Early Cold War (1940–1959)
Civil Rights & Vietnam (1960–1979)
The Late Century (1980–2000)
100

This 26th President was famous for his "Trust-Busting" policies, conservation efforts, and advising the nation to "speak softly and carry a big stick."

Who was Theodore Roosevelt?

100

This historic October 29, 1929 event saw billions of dollars wiped out of the economy, marking the traditional beginning of the Great Depression.

What is Black Tuesday

100

The United States formally entered World War II following a surprise military strike by the Imperial Japanese Navy Air Service on this naval base on December 7, 1941.

What is Pearl Harbor?

100

During the 1963 March on Washington, this civil rights leader delivered his iconic "I Have a Dream" speech from the steps of the Lincoln Memorial.

Who was Martin Luther King Jr.?

100

This barrier, which divided a major European city for nearly three decades, was finally opened in November 1989, symbolizing the impending collapse of the Iron Curtain.

What is the Berlin Wall?

200

Published in 1906, Upton Sinclair’s novel The Jungle exposed the unsanitary conditions of this American industry, leading to the Meat Inspection Act.

What is the meatpacking industry?

200

Ratified in 1919 and lasting until 1933, the 18th Amendment banned the manufacture, sale, and transportation of intoxicating liquors, an era known by this name.

What is Prohibition?

200

This codename referred to the massive, secret US research and development project during WWII that produced the first nuclear weapons.

What is the Manhattan Project?

200

In July 1969, this Apollo 11 astronaut became the first human to walk on the surface of the moon.

Who was Neil Armstrong?

200

In 1981, President Ronald Reagan made history by appointing this jurist as the first female Justice to serve on the United States Supreme Court.

Who was Sandra Day O'Connor?

300

The United States officially entered World War I in 1917, safe-guarding democracy after Germany resumed this type of aggressive naval warfare.

What is unrestricted submarine warfare?

300

This severe meteorological disaster of the 1930s, caused by severe drought and poor farming practices, devastated the agricultural landscape of the Great Plains.

What is the Dust Bowl?

300

Enacted in 1948, this American initiative (officially the European Recovery Program) provided over $13 billion in economic assistance to help rebuild Western European economies after WWII.

What is the Marshall Plan?

300

This 1964 congressional resolution gave President Lyndon B. Johnson nearly unlimited authority to escalate US military involvement in Vietnam without a formal declaration of war.

What is the Gulf of Tonkin Resolution?

300

Codenamed Operation Desert Storm, this 1991 US-led military conflict successfully expelled Iraqi forces following their illegal invasion of neighboring Kuwait.

What is the Persian Gulf War?

400

Ratified in 1913, this Amendment to the US Constitution established the popular election of United States senators by the people of the states, rather than by state legislatures.

What is the 17th Amendment?

400

This 1925 legal battle in Tennessee pitted William Jennings Bryan against Clarence Darrow over the teaching of Charles Darwin's theory of evolution in public schools.

What is the Scopes Monkey Trial?

400

This term describes the unfair allegations and investigative techniques used by a Wisconsin Senator in the early 1950s to accuse government employees of being communists.

What is McCarthyism?

400

Facing certain impeachment due to the cover-up of a break-in at the Democratic National Committee headquarters, this President resigned from office in August 1974.

Who was Richard Nixon?

400

Implemented in 1994 under President Bill Clinton, this trade agreement eliminated most tariffs on products traded between the United States, Canada, and Mexico.

What is NAFTA (North American Free Trade Agreement)?

500

This intercepted 1917 telegram from the German Foreign Office proposed a military alliance between Germany and Mexico if the United States entered WWI.

What is the Zimmermann Telegram?

500

To combat the Great Depression, President Franklin D. Roosevelt passed this massive banking reform act in 1933, which created the Federal Deposit Insurance Corporation (FDIC).

What is the Glass-Steagall Act?

500

In 1957, President Eisenhower sent federal troops to this southern city to enforce the desegregation of Central High School by protecting nine African American students.

What is Little Rock, Arkansas?

500

Signed by President Jimmy Carter in 1978, this historic peace treaty framework brokered a major diplomatic breakthrough between Egypt and Israel.

What are the Camp David Accords?

500

This political scandal during the Reagan administration involved the secret arrangement of arms sales to Middle Eastern militants to fund anti-communist rebel groups in Nicaragua.

What is the Iran-Contra Affair?