Roman Empire ruled most of the known land at the time.
They all attacked parts of the roman empire
All of those three groups were, at one time, enemies of the Roman Empire.
No, Sparta remained politically independent until the Roman conquest of 146 BC.
Among the many causes of the fall of the Roman Empire was wars with Persians, which cost the empire much of its strength. But I believe there were other causes that were more important, including civil wars and invasions of migrating Germanic peoples. For more information, please use the link below.
The battleground where the Athenians defeated the Persians. The messenger who was sent to deliver the message of victory, collapsed and died.
it might have been the Persians under xerxes, or the roman legions.
the Spartans against the Persians, 300 elite soldiers, watch the movie 300 you shall see
There were various groups that invaded the Roman empire among them were the Ostrogoths ad the Lombards. These groups were pushed into the weakened Roman empire by the Huns who also invaded Italy.
The empire became too big and difficult to defend. There were attacks in various parts of the vast frontiers of the empire in Europe. In the east there were repeated wars with the Persians. The Roman army became overstretched.
Many things happened to them in the past few thousand years. Today they are called Iranians and they live in Iran.
The leader of the Persians was Xerxes I