Who built the largest empire in terms of land space conquered?
The Empire of Alexander the Great stretched all the way from the Balkans to India, and south to Egypt. He conquered 2,000,000 square miles. http://en.wikipedia.org/wiki/Image:MacedonEmpire.jpg and http://edweb.tusd.k12.az.us/murchib/history/world/Notes/Euro/Greece/Alex.html The Mongol Empire of Genghis Khan was similar in size to that of Alexander. It stretched across Asia to Central Europe. It was the largest contiguous and second largest empire in world history, five times greater than the Macedonian Empire, much larger than the Persian Empire and Roman Empire, and twice as large as the Arab Empire. The Empire of Genghis Khan was four times larger than that of Alexander the Great. So figure about 8,000,000 square miles. I exclude the successors of Genghis since they built on what he had already con
