Tickling was a form of torture used in ancient China on nobility because it left no mark and recovery was quick.
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In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
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In California, Maryland, Pennsylvania and Wisconsin, it's against the law to hold a "Ladies' Night" because it's deemed gender discrimination.
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In Australia, it is illegal to walk on the right-hand side of a footpath.
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