What Was...?

What Was the Hindenburg?(By: Kevin McVeigh,David Groff,Janet B. Pascal)

2013

What Was the Battle of Gettysburg?(By: John Mantha,Jim O'Connor,James Bennett)

2013

What Was the Gold Rush?(With: Tim Tomkinson)

2013

What Was the March on Washington?(By: Tim Tomkinson,Kathleen Krull)

2013

What Was the Boston Tea Party?(By: Lauren Mortimer,Kathleen Krull)

2013

What Was Pearl Harbor?(By: John Mantha,Patricia Brennan Demuth)

2013

What Was the Alamo?(By: Meg Belviso,David Groff,Pam Pollack)

2013

What Was the Underground Railroad?(By: Yona Zeldis McDonough,Lauren Mortimer)

2013

What Was Pompeii?(By: John Hinderliter,Jim O'Connor,Who Hq)

2014

What Was Ellis Island?(By: David Groff,Patricia Brennan Demuth)

2014

What Is the Statue of Liberty?(With: John Hinderliter)

2014

What Is the Panama Canal?(By: Janet B. Pascal)

2014

What Was the Lewis and Clark Expedition?(By: Megan Stine,Who HQ)

2014

What Was D-Day?(By: Patricia Brennan Demuth,David Grayson Kenyon)

2015

What Is the World Series?(By: Gail Herman)

2015

What Was Hurricane Katrina?(By: John Hinderliter,Robin Koontz)

2015

What Were the Salem Witch Trials?(With: Dede Putra)

2015

What Is the Super Bowl?(By: David Groff,Dina Anastasio)

2015

What Was the Great Depression?(By: Dede Putra,Janet B. Pascal)

2015

What Was Woodstock?

2016

What Are the Summer Olympics?(By: Gail Herman)

2016

What Is the Declaration of Independence?(By: Jerry Hoare,Michael C. Harris)

2016

What Were the Twin Towers?(By: Ted Hammond,Jim O'Connor)

2016

What Was the Great Chicago Fire?(By: Janet B. Pascal)

2016

What Was the San Francisco Earthquake?(By: Dorothy Hoobler,Thomas Hoobler)

2016

What Was the Age of the Dinosaurs?(By: Megan Stine,Gregory Copeland)

2017

What Was the Wild West?(By: Stephen Marchesi,Janet B. Pascal)

2017

What Is Rock and Roll?(By: Gregory Copeland,Jim O'Connor)

2017

What Was the Ice Age?(By: Nico Medina,David Groff)

2017

What Are the Ten Commandments?(By: Yona Zeldis McDonough)

2017

What Is the World Cup?(By: Stephen Marchesi,Bonnie Bader)

2018

What Was the Titanic?(By: Gregory Copeland,Stephanie Sabol)

2018

What Was the Holocaust?(By: Jerry Hoare,Gail Herman)

2018

What Is Climate Change?(By: John Hinderliter,Gail Herman)

2018

What Is the Constitution?(By: Patricia Brennan Demuth)

2018

What Is the Women's Rights Movement?(By: Deborah Hopkinson)

2018

What Were the Roaring Twenties?(By: Jake Murray,Michele Mortlock)

2018

What Is the Stanley Cup?(By: Gregory Copeland,Gail Herman)

2019

What Was Stonewall?(By: Nico Medina,Jake Murray)

2019

What Is NASA?(By: Ted Hammond,Sarah Fabiny)

2019

What Was the Vietnam War?(By: Jim O'Connor)

2019

What Was the Berlin Wall?(By: Nico Medina,Stephen Marchesi)

2019

What Were the Negro Leagues?(By: Stephen Marchesi,Varian Johnson)

2019

What Are the Paralympic Games?(By: Andrew Thomson,Gail Herman)

2020

What Was the Bombing of Hiroshima?(By: Jess Brallier)

2020

What Is LEGO?(By: Ted Hammond,Jim O'Connor,Who Hq)

2020

What Is a Presidential Election?(By: Douglas Yacka)

2020

What Is the Civil Rights Movement?(By: Sherri L. Smith)

2020

What Is Nintendo?(By: Andrew Thomson,Gina Shaw)

2021

What Was the Age of Exploration?(By: Catherine R. Daly,Jake Murray)

2021

What Is Congress?(By: David Malan,Jill Abramson)

2021

What Is Black Lives Matter?(By: Lakita Wilson)

2021

What Are the Winter Olympics?(By: Jake Murray,Gail Herman)

2021

What Was the Plague?(By: Dede Putra,Roberta Edwards,Who Hq)

2021

What Was the Harlem Renaissance?(By: Sherri L. Smith)

2021

What Are Castles and Knights?(By: Dede Putra,Sarah Fabiny)

2022

What Is Juneteenth?(By: Kirsti Jewel)

2022

What Is the AIDS Crisis?(By: Nico Medina)

2022

What Is the Supreme Court?(By: Gregory Copeland,Jill Abramson,Who Hq)

2022

What Was Reconstruction?(By: Sherri L. Smith)

2022

What Is the Women's World Cup?(By: Ted Hammond,Gina Shaw)

2023

What Was the Tulsa Race Massacre of 1921?(By: Caleb Gayle)

2023

What Was World War I?(By: Nico Medina,Dede Putra)

2023

What Was the Donner Party?(By: Ben Hubbard)

2023

What Was the Children's Blizzard of 1888?(By: Dede Putra,Steve Korté)

2023