Query: what was books

title: What Was the Bombing of Hiroshima?

title: What Was the Vietnam War?

title: What Was the Berlin Wall?

title: Where Is Area 51?

title: Where Is the Bermuda Triangle?

title: What Is NASA? (What Was?)

title: Where Were the Seven Wonders of the Ancient World? (Where Is?)

title: What Is LEGO? (What Was?)

title: What Was the Ice Age?

title: What Was the Holocaust?

title: What Was the Age of the Dinosaurs?

title: What Were the Twin Towers? (What Was?)

title: What Was the Great Depression?

title: What Was the Underground Railroad?

title: What Was Pearl Harbor?

title: What Was the Titanic?