Answers

The Brainliest Answer!
2014-04-21T15:31:40+05:30
 Achaemenid Empire - 8.4 million km² (under Emperor Darius the Great) in Ancient Time and in modern time British Empire - 33.6 million km² (under George V in 1922) 
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2014-04-21T15:34:04+05:30
I think its achaemenid empire.
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