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Who Invented the Alphabet?

Today in Wonderopolis we’ll get to know the history of the alphabet from beginning to end, A to Z!

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Who Invented the Alphabet?

Why Don’t All Months Have the Same Number of Days?

We hope you’ll join us in Wonderopolis today. We’re counting on you!

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Why Don’t All Months Have the Same Number of Days?

When Did the New Year’s Eve Ball First Drop in Times Square?

If you come to Wonderopolis today, you’re sure to have a ball!

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When Did the New Year’s Eve Ball First Drop in Times Square?

Why Do People Make New Year’s Resolutions?

In today’s Wonder of the Day, we say goodbye to a year gone by and welcome the promises of a new year ahead!

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Why Do People Make New Year’s Resolutions?

How Often is “Once in a Blue Moon”?

This Wonder of the Day really BLUE us away!

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How Often is “Once in a Blue Moon”?

What Is Pi?

Pies are square? Join us in Wonderopolis today as we slice into a mathematical concept that will leave you hungry for more!

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What Is Pi?

What Does a Barometer Measure?

You may not think it matters "weather" or not you come to Wonderopolis today, but it does! We don’t want to pressure you, but please, please, please join us today!

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What Does a Barometer Measure?

How Tall Is the Eiffel Tower?

We’re not talking about fries, toast, bulldogs or manicures, but today’s Wonder of the Day does feature something distinctly French!

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How Tall Is the Eiffel Tower?

Who Is Sonia Sotomayor?

JUSTICE is the topic of this Wonder of the Day!

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Who Is Sonia Sotomayor?

Where Is the Emerald Isle?

Today’s Wonder of the Day will take you to a place some might call the green island!

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Where Is the Emerald Isle?

How Do Websites Remember So Many Usernames and Passwords?

We’d like for you to read today’s Wonder of the Day, but first you have to know the password!

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How Do Websites Remember So Many Usernames and Passwords?

What's Your Favorite Ice Cream Flavor?

I scream! You scream! We all scream for today’s delicious Wonder of the Day!

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What's Your Favorite Ice Cream Flavor?

Who Was Roberto Clemente?

We think this Wonder of the Day will be a big HIT!

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Who Was Roberto Clemente?

What Is a Prime Number?

Today’s mathematical Wonder of the Day may have you counting 2, 3, 5, 7, 11, 13, 17, 19, 23, 29…

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What Is a Prime Number?

Do Other Countries Celebrate Halloween?

You’ll want to make sure you’re dressed up for today’s Wonder of the Day!

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Do Other Countries Celebrate Halloween?

What is an Emu?

We hope you find today’s Wonder of the Day emusing!

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What is an Emu?

Why Is There a Great Red Spot on Jupiter?

Oops! Did Jupiter spill something on itself? Find out today in Wonderopolis!

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Why Is There a Great Red Spot on Jupiter?

Who Was the Queen of Tejano Music?

Today’s Wonder of the Day is about a big star!

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Who Was the Queen of Tejano Music?

What Is the NAACP?

Can bad times lead to good outcomes? It’s possible! Join us today as we learn how years of unfair treatment of Blacks in the U.S. led to the start of a group to support civil rights—the NAACP.

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What Is the NAACP?