Athens did, financed by the taxes it levied on the cities of its empire. Sparta gained one when the Persian king gave it the money to build and man it.
The Persian Empire.
The Persian Empire was not a person.
Persian Empire
The Persian Empire absorbed the Babylonian Empire.
Alexander the Great defeated the Persian empire
The Persian Empire absorbed the Baabylonian Empire.
It varied from early friendship, to opponent in the Persian invasion of Greece 480-479 BCE, to friendship when Persia financed the overthrow of Athens in the Peloponnesian War, to enmity when Spartan King Agesilaus invaded Persian Asia Minor 396-394 BCE .... and so on.
The Persian Empire incorporated the Indus Valley.
Alexander conquered the Persian Empire.
An empire is an empire, a war is a war.
The Persian Empire was brought to an end by who?