The Macedonians and Roman dynasty.Both the kingdoms had successful expeditions towards India. These kingdoms were collapsed due to continuous wars and weak successors.After their decline, The Indians ,Arabs, Persians, Egyptians were the power holding countries.In India, Magadha, Mauryas,Nandas, Guptas,Kushanas,Satavahanas,Pallavas,Chalukyas,Cholas,Cheras,Pandyas.
MONGOLS
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.
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
Great Britain was the most powerful country because, thanks to his empire, had the availability of important mineral resources, ruled over millions of subjects and controlled a large part of world trade, due to its fleet, which was the world's most powerful.
The British Empire (of whuch the many of the states of the US were a colony).
The fertile farmland and large population of the Gangetic Plain mad the Mughal Empire rich .It quickly became one of the most powerful states in the world .
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.
Undoubtedly Great Britain. The British Empire was, for most of that period, far and away the largest and most powerful empire in the world.
The US Empire and its Imperialistic Military policy.
augustos was the most powerful ruler of the mightiest empire of the ancient world.
The United Kingdom of Great Britain and Ireland were the most powerful. They had the largest GDP in the world, a huge industry and the largest Empire in world History
It depends on the century the question refers to. In the 16th Century, the Ottoman Empire was the most powerful empire west of China. In the 19th Century, the Ottoman Empire was one of the weakest empires in the world and called the "Sick Man of Europe".