What Were the Twin Towers?
Jim O'Connor, Who HQ & Ted Hammond
What Was D-Day?
Patricia Brennan Demuth, Who HQ & David Grayson Kenyon
What Was the Gold Rush?
Joan Holub, Who HQ & Tim Tomkinson
What Was the Vietnam War?
Jim O'Connor, Who HQ & Tim Foley
What Is the Stanley Cup?
Gail Herman, Who HQ & Gregory Copeland
What Is Climate Change?
Gail Herman, Who HQ & John Hinderliter
What Is the Declaration of Independence?
Michael C. Harris, Who HQ & Jerry Hoare
What Are the Summer Olympics?
Gail Herman, Who HQ & Stephen Marchesi
What Is the Super Bowl?
Dina Anastasio, Who HQ & David Groff
What Was the Great Depression?
Janet B. Pascal, Who HQ & Dede Putra