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What Country Has the Most Castles?
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What Was the Holocaust?
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Who Invented Kindergarten?
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Have You Ever Seen a “Gray Ghost”?
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When Was the Great War?
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Who Was Uncle Wiggly Wings?
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How Did the British Save Children From the Nazis?
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What Was the Hindenburg?
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Where Is Scandinavia?
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Do You Share a Birthday with Anyone Famous?
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Can You Turn Peanut Butter Into a Diamond?
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What Did Mary Anning Discover?
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Can Fairy Tales Be True?
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Who Were the Brothers Grimm?
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What Caused Dancing Mania?
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Why Are There Secret Societies?
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How Long Has Gymnastics Been a Sport?
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What Is Pascal’s Triangle?
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Who Were the Neanderthals?
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How Do You Solve a Rubik’s Cube?