World History

Which one of these inventions or discoveries happened most recently?

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Arabs brought Islam to Persia in which century?
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Aristotle was a student of which great philosopher?
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Who was the first State President of Iraq, following the U.S. invasion?
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Which Portuguese explorer was the first to reach India?
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Which couple is credited with forming the nation of Spain?
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Who were the two leaders of Chile's Independence movement from 1810 until 1818?
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Who gave Spain claim to Florida by exploring St. Augustine?
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What was the name of the French Huguenot settlement in Florida?
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