What Was Pearl Harbor? (What Was?)

What Was D-Day? (What Was?)

What Was the Battle of Gettysburg? (What Was?)

What Was the Great Depression? (What Was?)

What Was the Hindenburg? (What Was?)

What Were the Twin Towers? (What Was?)

Where Is Alcatraz? (Where Is?)

What Were the Salem Witch Trials? (What Was?)

Who Was Winston Churchill? (Who Was?)

What Was the Alamo? (What Was?)

Who Was Blackbeard? (Who Was?)