World History

What was added to the calendar on Dec. 31, 1990, to adjust for variations in the Earth's rotation?

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Which Japanese City was the first place to be attacked with an Atomic Bomb?
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What was the name of the young shepherd who became King of Israel?
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What year did the flat-disk phonograph get introduced?
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Malcolm X was buried in what year?
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What agency did the U.S. government form in response to the launch of Sputnik?
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The Six-Day Arab-Israeli War was held in what year?
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How do we better know Charles Philip Arthur George?
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Who won the Nobel Peace Prize in 1990 for his efforts to lessen Cold War tensions?
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