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100

In 1920, the 19th Amendment was ratified, finally guaranteeing this group the right to vote.

Who are women?

100

In 1969, this American became the first human ever to set foot on the moon.

Who is Neil Armstrong? 

100

This 1982 Michael Jackson masterpiece remains the best-selling album of all time.

What is Thriller?

100

This 1994 sitcom followed six friends living in Manhattan and hanging out at Central Perk.

What is Friends?

100

In 2007, Steve Jobs took the stage to introduce this "revolutionary" three-in-one handheld device.

What is the iPhone?

200

This 18th Amendment policy made the manufacture, sale, and transportation of alcohol illegal in the U.S.

What is Prohibition?

200

This 1964 "British Invasion" band made their iconic U.S. debut on The Ed Sullivan Show.

Who are The Beatles?

200

In 1981, this cable network launched with the words, "Ladies and gentlemen, rock and roll."

What is MTV?

200

In 1997, this NASA rover landed on Mars, becoming the first to successfully operate on another planet.

What is Sojourner (or Pathfinder)?

200

This 2004 social media site was originally launched by Mark Zuckerberg exclusively for Harvard students.

What is Facebook?

300

This "Lone Eagle" became an international hero in 1927 after completing the first solo nonstop flight across the Atlantic. 

Who is Charles Lindbergh?

300

He delivered his legendary "I Have a Dream" speech during the 1963 March on Washington.

Who is Martin Luther King Jr.?

300

This 1989 event symbolized the end of the Cold War as citizens began tearing down this barrier.

What is the Berlin Wall?

300

This 1991 Nirvana hit is often credited with bringing grunge music into the mainstream.

What is "Smells Like Teen Spirit"?

300

In 2008, he made history by becoming the first African American elected as President of the United States.

Who is Barack Obama?

400

F. Scott Fitzgerald wrote this novel in 1925, a masterpiece that captured the decadence and disillusionment of the Jazz Age.

What is The Great Gatsby?

400

In 1967, nearly 500,000 people gathered at a dairy farm in New York for this landmark music festival.

What is Woodstock?  

400

Nintendo took over living rooms in 1985 with the release of this home console.

What is the NES (Nintendo Entertainment System)?

400

Developed by Netscape in 1994, this was the first web browser to gain mass popularity.

What is Navigator?

400

This 2003 Pixar film about a lost clownfish became the highest-grossing animated movie of its time.

What is Finding Nemo?

500

In 1928, Scottish scientist Alexander Fleming accidentally discovered this first "wonder drug" in a petri dish.

What is Penicillin?

500

This 1963 book by Betty Friedan is often credited with sparking the "second wave" of American feminism.

What is The Feminine Mystique?

500

This female "Iron Lady" served as the Prime Minister of the United Kingdom for the entire decade.

Who is Margaret Thatcher?

500

In 1997, British scientists successfully cloned this sheep, the first mammal ever cloned from an adult cell.

Who is Dolly?

500

In 2006, the International Astronomical Union controversially "demoted" this celestial body to a dwarf planet.

What is Pluto?

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