What was...? Series

What Was the March on Washington?

4.08 · 790 Ratings · 91 Reviews · published 2013 · 12 editions

In 1848, gold was discovered in California, attrac…

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by Kathleen Krull

4.14 · 546 Ratings · 88 Reviews · published 2013 · 10 editions

On August 28, 1963, more than 200,000 people gathe…

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What Was Pearl Harbor?

What Was the First Thanksgiving?

4.31 · 1285 Ratings · 130 Reviews · published 2013 · 16 editions

A terrifying attack!

On December 7, 1941, Japanese …

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What Was the Underground Railroad?

3.91 · 596 Ratings · 72 Reviews · published 2013 · 11 editions

The history of the feast! After their first harve…

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What Was the Alamo?

by Pam Pollack

4.12 · 522 Ratings · 53 Reviews · published 2013 · 11 editions

"Remember the Alamo!" is still a rallying cry more…

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by Yona Zeldis McDonough

4.26 · 1265 Ratings · 141 Reviews · published 2013 · 16 editions

No one knows where the term Underground Railroad c…

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What Was Ellis Island?

4.19 · 629 Ratings · 75 Reviews · 13 editions

From 1892 to 1954, Ellis Island was the gateway to…

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What Was Pompeii?

What Is the Statue of Liberty?

4.16 · 688 Ratings · 61 Reviews · published 2014 · 12 editions

The morning of August 24, AD 79, seemed like any o…

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What Is the Panama Canal?

4.18 · 640 Ratings · 67 Reviews · published 2014 · 16 editions

In 1876, France decided to give the United States …

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What Was the Lewis and Clark Expedition?

4.15 · 408 Ratings · 36 Reviews · published 2014 · 3 editions

Before 1914, traveling from the East Coast to the …

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by Judith St. George

4.15 · 537 Ratings · 56 Reviews · published 2014 · 6 editions

When Meriwether Lewis, William Clark, and the "Cor…

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What Was the Hindenburg?

4.13 · 498 Ratings · 45 Reviews · published 2013 · 6 editions

At 800-feet long, the Hindenburg was the largest a…

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What Was D-Day?

What Is the World Series?

4.40 · 1143 Ratings · 103 Reviews · published 2015 · 13 editions

In the early morning hours of June 6, 1944, an arm…

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What Were the Salem Witch Trials?

4.21 · 326 Ratings · 29 Reviews · published 2015 · 10 editions

"Strike – you’re out!" "He’s safe!" "Homerun!" Eve…

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What Was Hurricane Katrina?

4.06 · 1264 Ratings · 130 Reviews · published 2015 · 4 editions

Something wicked was brewing in the small town of …

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by Robin Koontz

4.09 · 400 Ratings · 39 Reviews · published 2015 · 4 editions

On August 25th, 2005, one of the deadliest and mos…

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What Is the Super Bowl?

by Dina Anastasio

4.09 · 698 Ratings · 77 Reviews · published 2015 · 5 editions

With over 110 million viewers every year, the Supe…

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What Was the Great Depression?

4.23 · 927 Ratings · 87 Reviews · published 2015 · 9 editions

On October 29, 1929, life in the United States too…

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What Was Woodstock?

What Are the Summer Olympics?

4.24 · 265 Ratings · 34 Reviews · published 2016 · 5 editions

On August 15, 1969, a music festival called "Woods…

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What Were the Twin Towers?

4.10 · 396 Ratings · 50 Reviews · published 2016 · 9 editions

Back in 775 BC, athletes from all over Ancient Gre…

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What Is the Declaration of Independence?

4.30 · 1230 Ratings · 154 Reviews · published 2016 · 6 editions

Discover the true story of the Twin Towers—how the…

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by Michael C. Harris

4.12 · 785 Ratings · 82 Reviews · published 2016 · 11 editions

Step back in time to the birth of the United State…

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What Was the Great Chicago Fire?

What Was the San Francisco Earthquake?

4.20 · 568 Ratings · 61 Reviews · 5 editions

Did the Great Chicago Fire really start after a co…

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by Dorothy Hoobler

4.13 · 349 Ratings · 30 Reviews · 5 editions

In this addition to the What Was? series, kids wil…

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What Was the Age of the Dinosaurs?

by Megan Stine

4.15 · 531 Ratings · 46 Reviews · published 2017 · 8 editions

Travel back to the time when the mighty dinosaurs …

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What Was the Wild West?

4.03 · 307 Ratings · 32 Reviews · published 2017 · 4 editions

Saddle up and get ready for a ride back into the w…

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What Is Rock and Roll?

What Are the Ten Commandments?

3.88 · 232 Ratings · 33 Reviews · published 2017 · 5 editions

Put on your dancing shoes and move to the music.

Ro…

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by Yona Zeldis McDonough

3.93 · 179 Ratings · 22 Reviews · 4 editions

Learn the story behind the ten laws that have been…

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What Was the Ice Age?

4.06 · 387 Ratings · 39 Reviews · published 2017 · 5 editions

A mesmerizing overview of the world as it was when…

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What Was the Titanic?

by Stephanie Sabol

4.34 · 1147 Ratings · 121 Reviews · 7 editions

For more than 100 years, people have been captivat…

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What Is the World Cup?

by Bonnie Bader

4.11 · 280 Ratings · 22 Reviews · 7 editions

GOOOAAAAAL! Get ready for a front-row seat at the …

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What Was the Holocaust?

What Is the Constitution?

4.42 · 1111 Ratings · 114 Reviews · 5 editions

A thoughtful and age-appropriate introduction to a…

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4.17 · 579 Ratings · 67 Reviews · published 2018 · 8 editions

We the people at Who HQ bring readers the full sto…

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What Is Climate Change?

What Were the Roaring Twenties?

4.01 · 391 Ratings · 52 Reviews · 5 editions

Learn more about what climate change means and how…

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by Michele Mortlock

4.18 · 276 Ratings · 28 Reviews · 4 editions

Flappers, flag-pole sitting, and the Ford Model T-…

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What Is the Women's Rights Movement?

by Deborah Hopkinson

4.15 · 524 Ratings · 52 Reviews · published 2018 · 5 editions

The story of Girl Power! Learn about the remark…

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What Is the Stanley Cup?

4.24 · 191 Ratings · 17 Reviews · 4 editions

Ice hockey fans will pull on their skates and gear…

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What Was Stonewall?

What Was the Vietnam War?

4.22 · 388 Ratings · 66 Reviews · published 2019 · 5 editions

How did a spontaneous protest outside of a New Yor…

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What Is NASA?

by Sarah Fabiny

4.22 · 396 Ratings · 30 Reviews · published 2019 · 5 editions

Find out all about NASA in this out-of-this-world …

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What Was the Berlin Wall?

4.28 · 529 Ratings · 44 Reviews · 4 editions

Learn how the United States ended up fighting for …

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What Were the Negro Leagues?

4.27 · 441 Ratings · 37 Reviews · 5 editions

The Berlin Wall finally came down in 1989. Now rea…

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by Varian Johnson

4.31 · 186 Ratings · 20 Reviews · 4 editions

In America during the early twentieth century, no …

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What Was the Bombing of Hiroshima?

by Jess Brallier

4.43 · 430 Ratings · 31 Reviews · 6 editions

Hiroshima is where the first atomic bomb was dr…

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What Are the Paralympic Games?

4.16 · 129 Ratings · 12 Reviews · 4 editions

It's time to cheer for the inspiring athletes o…

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What Is LEGO?

What Is the Civil Rights Movement?

4.26 · 802 Ratings · 88 Reviews · published 2020 · 4 editions

Find out how these fun, stackable blocks became…

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by Sherri L. Smith

4.36 · 284 Ratings · 30 Reviews · 5 editions

Relive the moments when African Americans fought f…

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What Is Nintendo?

by Gina Shaw

4.26 · 585 Ratings · 66 Reviews · published 2021 · 3 editions

The game is on! Get your hands on this book about …

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What Was the Age of Exploration?

by Catherine Daly

3.83 · 155 Ratings · 20 Reviews · 4 editions

Land ho! Discover what the Age of Exploration w…

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What Is Congress?

by Jill Abramson

3.59 · 159 Ratings · 19 Reviews · published 2021 · 5 editions

Whether Congress is in session or not, here is …

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What Is the Coronavirus Disease COVID-19?

by Michael Burgan

3.73 · 157 Ratings · 26 Reviews · 4 editions

The #1 New York Times Best-Selling series tells th…

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What Is Black Lives Matter?

by Lakita Wilson

4.07 · 168 Ratings · 29 Reviews · 6 editions

From the #1 New York Times bestselling series come…

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What Are the Winter Olympics?

What Was the Harlem Renaissance?

3.97 · 158 Ratings · 15 Reviews · published 2021 · 6 editions

Grab your skis, ice skates, and snowboard and lear…

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What Was the Plague?

by Roberta Edwards

4.19 · 455 Ratings · 42 Reviews · published 2021 · 5 editions

Oh, rats! It's time to take a deeper look at wh…

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by Sherri L. Smith

4.16 · 187 Ratings · 23 Reviews · 5 editions

In this book from the #1 New York Times bestsellin…

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What Are Castles and Knights?

by Sarah Fabiny

3.96 · 135 Ratings · 15 Reviews · 5 editions

Go back to the thrilling time of warring knights w…

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What Is Juneteenth?

by Kirsti Jewel

4.25 · 324 Ratings · 37 Reviews · published 2022 · 5 editions

Discover more about Juneteenth, the important holi…

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What Is the AIDS Crisis?

What Is the Supreme Court?

4.13 · 111 Ratings · 8 Reviews · 5 editions

In this addition to the New York Times bestselling…

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by Jill Abramson

4.03 · 115 Ratings · 8 Reviews · 6 editions

Hear ye, hear ye! Get ready to learn all about …

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What Was Reconstruction?

by Sherri L. Smith

4.17 · 144 Ratings · 27 Reviews · 6 editions

In the same style as the New York Times Best-Selli…

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What Is the Women's World Cup?

by Gina Shaw

4.09 · 89 Ratings · 5 Reviews · 5 editions

Gooaal! Soccer fans, get your game on with this bo…

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What Was the Tulsa Race Massacre of 1921?

by Caleb Gayle

4.28 · 159 Ratings · 25 Reviews · 5 editions

Learn how envy and racism led to the tragic destru…

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What Was World War I?

What Was the Children's Blizzard of 1888?

4.25 · 302 Ratings · 33 Reviews · 5 editions

This compelling addition to the What Was? series c…

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by Steve Korté

4.10 · 201 Ratings · 30 Reviews · 5 editions

Learn about the deadly and unexpected blizzard tha…

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What Was the Donner Party?

by Ben Hubbard

3.88 · 181 Ratings · 18 Reviews · 6 editions

Learn about the treacherous journey across the Sie…

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What Is a Presidential Election?: The Official Who HQ Election Book

by Douglas Yacka

3.87 · 174 Ratings · 19 Reviews · 3 editions

This revised edition (updated through the 2021 ina…

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What Was the Renaissance?

by Roberta Edwards

4.11 · 87 Ratings · 11 Reviews · 4 editions

Discover all there is to know about the Renaissanc…

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What Was the Industrial Revolution?

by Jim E. Gigliotti

3.32 · 41 Ratings · 4 Reviews · 3 editions

The groundbreaking people, ideas, and inventions o…

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What Was the Great Molasses Flood of 1919?

by Kirsten Anderson

4.14 · 150 Ratings · 17 Reviews · 5 editions

Learn about Boston's molasses disaster of 1919, wh…

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What Were the Shark Attacks of 1916?