What Was Pearl Harbor?
A terrifying attack! On December 7, 1941, Japanese war planes appeared out of nowhere to bomb the American base at Pearl... MoreWhat Was Pearl Harbor?
What Was the First Thanksgiving?
The history of the feast! After their first harvest in 1621, the Pilgrims at Plymouth shared a three-day feast with th... MoreWhat Was the First Thanksgiving?
What Was the Alamo?
"Remember the Alamo!" is still a rallying cry more than 175 years after the siege in Texas, where a small band of men he... MoreWhat Was the Alamo?
What was the Underground Railroad?
The Underground Railroad was a secret system through which runaway slaves could escape to freedom. Abolitionists hid fug... MoreWhat was the Underground Railroad?
What Was the Lewis and Clark Expedition?
When Meriwether Lewis, William Clark, and the "Corps of Discovery" left St. Louis, Missouri, on May 21, 1804, their miss... MoreWhat Was the Lewis and Clark Expedition?
What Was the Hindenburg?
At 800-feet long, the Hindenburg was the largest airship ever built--just slightly smaller than the Titanic! Also of a d... MoreWhat Was the Hindenburg?
What Was D-Day?
In the early morning hours of June 6, 1944, an armada of 7,000 ships carrying 160,000 Allied troops stormed the beaches ... MoreWhat Was D-Day?
What Was the Age of the Dinosaurs?
The Age of Dinosaurs began about 250 million years ago. In the beginning they were quite small but over time they evolve... MoreWhat Was the Age of the Dinosaurs?
What Is Rock and Roll?
Rock and roll sprang from a combination of African-American genres, Western swing, and country music that exploded in po... MoreWhat Is Rock and Roll?
What Was the Ice Age?
Go back 20,000 years ago to a time of much colder global temperatures when glaciers and extensive sheets of ice covered ... MoreWhat Was the Ice Age?
What Are the Ten Commandments?
Not just about Moses, whose origin story leaves open questions, this book looks back at the time when the commandments w... MoreWhat Are the Ten Commandments?
What Is the World Cup?
Every four years, thirty two of the best men’s soccer teams from across the globe compete for the title of FIFA World Cu... MoreWhat Is the World Cup?
What Was the Titanic?
At 2:20 a.m. on April 15, 1912, the Royal Mail Steamer Titanic, the largest passenger steamship of this time, met its ca... MoreWhat Was the Titanic?
What Is the Constitution?
We the people at Who HQ bring readers the full story--arguments and all--of how the United States Constitution came into... MoreWhat Is the Constitution?
What Is Climate Change?
The earth is definitely getting warmer. There’s no argument about that, but who or what is the cause? And why has climat... MoreWhat Is Climate Change?
What Was the Holocaust?
The Holocaust was a genocide on a scale never before seen, with as many as twelve million people killed in Nazi death ca... MoreWhat Was the Holocaust?
What Is the Women's Rights Movement?
The story of Girl Power! Learn about the remarkable women who changed US history. From Susan B. Anthony and E... MoreWhat Is the Women's Rights Movement?
What Were the Roaring Twenties?
Flappers, flag-pole sitting, and the Ford Model T--these are just a few of the things that instantly conjure up a un... MoreWhat Were the Roaring Twenties?
What Was Stonewall?
In the early-morning hours of June 28, 1969, police arrived at the Stonewall Inn’s doors and yelled, “Police! We’re taki... MoreWhat Was Stonewall?
What Is NASA?
Find out all about NASA in this out-of-this-world addition to the What Was? series. The National Aeronautics... MoreWhat Is NASA?
What Was the Vietnam War?
Learn how the United States ended up fighting for twenty years in a remote country on the other side of the world .... MoreWhat Was the Vietnam War?
What Was the Berlin Wall?
In 1961, overnight a concrete border went up, dividing the city of Berlin into two parts - East and West. The story of ... MoreWhat Was the Berlin Wall?
What Were the Negro Leagues?
In America during the early twentieth century, no part was safe from segregation, not even the country’s national pastim... MoreWhat Were the Negro Leagues?
What Are the Paralympic Games?
It's time to cheer for the inspiring athletes of the Paralympic Games! As the Opening Ceremony for the 1948 Summer Olymp... MoreWhat Are the Paralympic Games?
What Was the Bombing of Hiroshima?
Hiroshima is where the first atomic bomb was dropped. Now readers will learn the reasons why and what it's meant for the... MoreWhat Was the Bombing of Hiroshima?
What Is LEGO?
The LEGO toy company was founded in 1934 by a Danish carpenter who loved making wooden pull toys. From its humble beginn... MoreWhat Is LEGO?
What Is a Presidential Election?: with Activities, Stickers, and a Poster!
The 2020 Election is here! And so is this book, which tells young readers all about presidential campaigns and Ameri... MoreWhat Is a Presidential Election?: with Activities, Stickers, and a Poster!
What Is the Civil Rights Movement?
Even though slavery had ended in the 1860s, African Americans were still suffering under the weight of segregation a hun... MoreWhat Is the Civil Rights Movement?
What Is Nintendo?
Founded in 1889, Nintendo started out as a small playing card company in Japan. Though the cards sold well, Nintendo rea... MoreWhat Is Nintendo?
What Was the Age of Exploration?
Before the fifteenth century, European sailors were unsure what waited for them beyond their well-known travel routes ar... MoreWhat Was the Age of Exploration?
What Is Congress?
Whether Congress is in session or not, here is an enthralling overview about the branch of our government closest to ave... MoreWhat Is Congress?
What Are the Winter Olympics?
Grab your skis, ice skates, and snowboard and learn how the Winter Olympic Games became a worldwide phenomenal event wat... MoreWhat Are the Winter Olympics?
What Was the Plague?
Oh, rats! It's time to take a deeper look at what caused the Black Death--the deadliest pandemic recorded in human histo... MoreWhat Was the Plague?
What Was the Harlem Renaissance?
In this book from the #1 New York Times bestselling series, learn how this vibrant Black neighborhood in upper Manhattan... MoreWhat Was the Harlem Renaissance?
What Are Castles and Knights?
Go back to the thrilling time of warring knights who were prepared to give their life in order to protect their lord and... MoreWhat Are Castles and Knights?
What Is Juneteenth?
Discover more about Juneteenth, the important holiday that celebrates the end of chattel slavery in the United States. O... MoreWhat Is Juneteenth?
What Is the AIDS Crisis?
In this addition to the New York Times bestselling series, learn how incredible activists made the public aware of AIDS ... MoreWhat Is the AIDS Crisis?
What Is the Supreme Court?
Hear ye, hear ye! Get ready to learn all about the most powerful court in the United States.Ever since it was establishe... MoreWhat Is the Supreme Court?
What Was Reconstruction?
Reconstruction - the period after the Civil War - was meant to give newly freed Black people the same rights as white pe... MoreWhat Was Reconstruction?
What Was the Tulsa Race Massacre of 1921?
Before May 31, 1921, the Greenwood District of Tulsa, Oklahoma, was a thriving neighbourhood of 10,000 Black residents. ... MoreWhat Was the Tulsa Race Massacre of 1921?
What Is the Women's World Cup?
The first international women's soccer match was in 1881, but the Women's World Cup didn't become official until 1991 --... MoreWhat Is the Women's World Cup?
What Was World War I?
In 1914, the assassination of an Austrian archduke set off a disastrous four-year-long conflict involving dozens of coun... MoreWhat Was World War I?
What Was the Donner Party?
The notorious true story of a group of pioneers forced to make impossible decisions when trapped in the mountains for an... MoreWhat Was the Donner Party?
What Is a Presidential Election?: 2024 Edition
Learn all about what it takes to run for—and win—the U.S. presidency in this fascinating guide for young readers, part o... MoreWhat Is a Presidential Election?: 2024 Edition
What Was the Renaissance?
Beginning in Italy, the Renaissance was a cultural movement that spread throughout Europe and affected art, science, tec... MoreWhat Was the Renaissance?
What Are Taylor Swift's Eras?
On March 17, 2023, Taylor Swift began the Eras Tour. The historic concert tour would span five continents and include 15... MoreWhat Are Taylor Swift's Eras?
What Was the Industrial Revolution?
Following the Agricultural Revolution, the Industrial Revolution was a global period of economic and industrial progress... MoreWhat Was the Industrial Revolution?
What Is Lunar New Year?
This fact-filled book covers all things Lunar New Year, from the Chinese Zodiac animals to the details of modern celebra... MoreWhat Is Lunar New Year?
What Is Greek Mythology?
Celebrate ancient Greek mythology and civilisation, where Heracles performed his twelve heroic feats and Athena defended... MoreWhat Is Greek Mythology?
What Is AI?
It all began in 1822 when an English mathematician created the “Difference Engine,” the world’s first mechanical calcula... MoreWhat Is AI?
