1900s-1910s
1920s-1930s
1940s-1950s
1960s-1970s
1980s-1990s
100

This 1914-1918 war was called "the war to end all wars", even though it didn't.

What is World War I?

100

The Stock Market Crash of 1929 started this period of low economic activity.

What is the Great Depression?

100

When the United States used this weapon against Japan, it brought the end of World War II.

What is the atomic bomb?

100

Martin Luther King Jr. made this famous speech in 1963.

What is "I have a dream"?

100

This reusable space vehicle took off like a rocket and landed like an airplane.

What is the space shuttle?

200

In Kitty Hawk, NC, these men flew the first self-propelled flying machine.

Who were the Wright Brothers?

200

Women across the country got this right, thanks to the 19th Amendment.

What is the right to vote/women's suffrage?

200

This German capital city was divided into east and west following World War II.

What is Berlin?

200

This island near Florida had nuclear missiles that could have started World War III.

What is Cuba?

200
This "war" ended in 1991 with the collapse of the Soviet Union.

What is the Cold War?

300

This "unsinkable" ocean liner famously sank off the coast of Canada in 1912.

What is the Titanic?

300

The nickname for the 1920s, based on the popular music of that time.

What is the Jazz Age?

300

NASA started this project in the late 1950s to start sending people to space.

What is Project Mercury?

300

This NASA program finally sent men to the moon in 1969.

What is Apollo?

300

Space Shuttle missions helped build this large research structure in orbit around Earth.

What is the International Space Station?

400

Henry Ford sold this famous car, the first one that made owning an automobile affordable.

What is the Model T?

400

The 18th amendment made this illegal, even though many people continued to do it anyway.

What is buy/sell alcohol?

400

In Brown vs. Board of Education, the Supreme Court made this landmark decision.

What is desegregation of schools?

or

What is "separate but equal" is unconstitutional?

400

This structure separated two halves of a city -- one side capitalist, the other side communist.

What is the Berlin Wall?

400

This telescope in low earth orbit takes pictures of stars billions of light years away.

What is the Hubble Space Telescope?

500

These women demonstrated wholeheartedly for women's suffrage, sometimes getting jailed in the process.

Who were suffragettes?

500

This event in 1939 started World War II.

What is the German invasion of Poland?

500

The Little Rock Nine were the first African-Americans to do this.

What is attend a formerly all-white high school?

500

This space program, named after twins, gave astronauts experience with docking and spacewalks.

What is Gemini?

500

Invented in 1989, this collection of "addresses" lets people access and share information around the world.

What is the World Wide Web?

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