In this photo provided by the German Government Press Office (BPA), EU leaders applaud as German Chancellor Angela Merkel raises her hand with French President Francois Hollande during the Nobel Peace Prize Ceremony at Oslo City Hall on December 10, 2012 in Oslo, Norway.
In this photo provided by the German Government Press Office (BPA), EU leaders applaud as German Chancellor Angela Merkel raises her hand with French President Francois Hollande during the Nobel Peace Prize Ceremony at Oslo City Hall on December 10, 2012 in Oslo, Norway. - 
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European Union leaders are returning from a trip to Norway where they officially accepted their Nobel Peace Prize yesterday.

The European Union, and the euro -- for all its faults -- has been credited with keeping the continent relatively peaceful of late. And European peace is the subject of our quiz this morning.

Quiz master Stephan Richter from TheGlobalist.com asks: Since 1600, what's been the longest period when the major powers of Europe have not had any kind of big war?

A. 100 years

B. 60 years

C. 30 years

D. 20 years

Listen to the audio above to see if you guessed correctly.

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