World History

Which one of these inventions or discoveries happened most recently?

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As emperor, where did Hadrian travel?
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Who became Labour Party Prime Minister of the U.K. with a landslide victory in 1997?
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I was the third of Henry VIII's six wives and the only one to produce a son, who am I?
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What country did Queen Mary I rule or govern?
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Who was the Chief U.N. Weapons Inspector just prior to the Iraq War in 2003?
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Who was the first Pharaoh of Egypt?
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During the time of the Pearl Harbor attack what was the berthing area on Ford Island nicknamed?
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Christopher Columbus called the North Americans "Indians" because he thought he'd landed where?
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