When it was World War?

World War II began in 1939 and was completed in 1945.
More than 50 million people died in that war.
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War of 30 years

War of 30 years (1618-1646) began as a revolt of the provinces of the Roman-German Empire and soon was overlapped with other conflicts. The war resulted in the devastation of the country and thousands of deaths.

When was the Shang dynasty in China?

Shang Dynasty was the first dynasty in Chinese history. China was then a feudal state with towns cities and temples managed by priests kings. 1766BC to 1027 BC - Shang Dynasty. In this time we can say that the Bronze Age began then to China.  
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Who won the first world war?

Nobody. Balance tipped towards the Entente (France, Britain, United States), but in reality everyone lost in the war.