Question: When did the ancient chinese civilization begin and end?
Disambiguated questions and answers: question: When year did the ancient chinese civilization begin?
When year did the ancient chinese civilization end?
During what dynasty did the ancient chinese civilization begin?
During what period did the ancient chinese civilization end?
answer: 2070 BC
221 BC
Xia dynasty
Warring States period
Natural Questions answer: 256 BC
8500 (from the Wikipedia article "History of China")