50-100-500 years ago
Was I born yet?
70s, 80s, or 90s?
Did it happen yet?
How long does it take?
100

The United States' Bicentennial, or 200th birthday.

What is 50 years ago?
100

When the Declaration of Independence was signed.

What is No! None of us were born in 1776.

100

The LiveAid concert raises millions of dollars to help famine-stricken Ethiopia.

What is the 80s?

100

NASA successfully lands a probe on Mars.

What is Yes--in 1997?

100

To walk all the way around the world.

What is 345 days--if you could walk nonstop. For most humans who have to stop to eat and sleep, it would take at least 2 years.

200

Winnie the Pooh was born.

What is 100 years ago?

200

When people landed on the Moon.

What is No! Only Nicole was already born in 1969.

200

The first Harry Potter book was published.

What is the 90s?

200

We ratified the Equal Rights Amendment to the Constitution.

What is No? It was passed in a vote in 1972, but the deadline for states to ratify passed before enough states participated. Note: some people argue that the Amendment should be recognized anyway as the 28th Amendment.

200
To grow a tree.
What is 30 to 50 years, depending on the tree?
300

A "sweating sickness" had people isolating in their homes in England.

What is 500 years ago?

300

When iPhones were invented.

What is Yes if you're staff, No if you're camper. 2007!

300

The first Star Wars movie came to theaters.

What is the 70s?

300

Scientists cloned animals.

What is Yes! A sheep in 1996, and more recently, Tom Brady's dog.

300

To hatch a chicken egg.

What is 21 days?

400

The first rocket launch.

What is 100 years ago?

400

 When the movie Frozen premiered.

What is Yes! Almost all of us were born before or during 2013.

400

The Americans with Disabilities Act was passed, giving rights to thousands of people of with disabilities.

What is the 90s?

400

We find a way to talk to plants.

What is a Trick Question! We could always talk to plants, but they don't talk back. They do like it, though. It makes them grow better.
400

To build the Great Wall of China?

What is 2,000 years? With modern construction, it might take more like 10.

500
The first official Black History Month was designated.

What is 50 years ago?

500

When Beyonce's first solo album was released.

What is No! Once again, except for Nicole.

500

The Rubik's Cube was invented.

What is the 80s?

500

We find a way to travel backwards in time.

No, not yet. Only for fun at camp!

500

For one million seconds to go by.

What is 11 days, 13 hours, and 46 minutes?