The British Empire (not nowadays of course, but 100 years ago).
I think it's closer to 1/5. BTW, "can't be wrong"? I don't think China is the nicest place to live in... (not the worst either though)

Bah...the chinese. They were greater earlier, and lasted the longest. They had cities twice the size of rome during the same time period. 1/2 the world's population can't be wrong...
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