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What Was D-Day? (What Was?)

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

What Was the Alamo? (What Was?)

What Was the Great Depression? (What Was?)

What Was Pearl Harbor? (What Was?)

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

What Were the Twin Towers? (What Was?)

What Was Pompeii? (What Was?)

What Was the Hindenburg? (What Was?)

Who Was Blackbeard? (Who Was?)