These have been the largest in order of land area controlled.
British. Mongol. Russian. Spanish
In terms of land mass:FranceUKGermanyPortugalBelgiumItalySpain
The three largest empires in west Africa in 400 BC were the Askumite Empire. Carthage, and the Egyptian empire. All flourished well.
The largest and most powerful Muslim empire was the Ottoman Empire.
The Mongol Empires was the largest contiguous empire(c.1279), and the British empire was the largest non-contiguous empire(c.1920).
* Spain * France * Germany * Britain * Japan
Alexander the Great did not build one of the largest empires - he simply took over the Persian Empire and made it his own. Stealing, not building.
i think the roman empire was the strongest empire but the largest to me was the british empire
One Incan achievement is that they built one of the largest empires in the Americas!
There is no single language that has been the official language of most empires.
Age of empires 4 has been confirmed but it is up to the developers when they release the game
Being the head of the Roman Empire, one of the largest empires in the world.
This question is very broad. There have been many dozens of empires in history and each one of them had different weaknesses.