It was the British Empire. It might not have lasted the longest but it was the most powerful and it's Navy owned the waters. The Empire owned 1/4 of the world. The closest in size was the mongol.
the Persian empire
The Persians. Huge and cultured empire.
Sparta had the most intense and powerful army in the time of the Persian Empire.
MONGOLS
their powerful navy and command of most maritime ports and commerce domination
Some people think that the Roman Empire was the most powerful empire in history. However, this is not the view of historians. More powerful empires have existed. Probably the most powerful empire in history was the British colonial empire.
Because he was head of the largest and most powerful empire the world had ever known.
There was no such thing as the "George V" Empire. King George V was the King of the British Empire at its peak years (1919-1922). The Empire that he reigned over made up one fourth of the world's land and one sixth of the living people. So, it was the most powerful and biggest empire ever.
The most powerful bomb ever made was the tsar bomb.
the Persian empire
depends how you mean, European empire or empire in Europe The british empire was the largest European empire, controlling 1/4 of the world's landmass. The roman empire was the most powerful in Europe, controlling nearly half of Europe
The Persians. Huge and cultured empire.
The most powerful country ever would have to be Britain from the middle of the previous millennium to the turn of the 20th century. It's empire was the largest ever to exist on the face of the Earth. Many, most American, people try to claim that the USA is the most powerful nation ever but when you compare the two Nations, there is no comparison. The USA has the potential to blow up a few countries, whereas Britain actually owned 1/3 of the world, in terms of population.
Sparta had the most intense and powerful army in the time of the Persian Empire.
The Songhai Empire
MONGOLS
Britain had an empire because they wanted to be the most powerful counrty!