The largest contiguous empire the world has ever seen. People think the Roman or Greek empire was big. The Mongul empire was much bigger in Square miles. Would've probably included all of Europe too but for a stroke of good luck on their part.
Map of The Roman Empire During New Testament Times. The map shows the Roman Empire during its greatest extent during the time of the Emperor Trajan in 116 AD. He pushed to the Persian Gulf and even Susa wishing to exceed Alexander's empire.