Attempting to organise security and prosperity within the empire.
The Empire was formed by Cyrus the Great in around 550 BCE.
The Persian empire was gone before the Roman empire became powerful.
The language spoken in the Persian empires was Old Persian. It was the administrative language of the Achaemenid Empire and the Persian language used in official inscriptions and documents. Later, under the Sassanian Empire, Middle Persian became the dominant language.
King Alexander III (the Great).
He became famous for building the first empire...
He didn't defend them, he defeated them, and after he became assumed the throne of the Persian Empire he incorporated them into his own army.
The Persian Empire.
The Persian Empire was not a person.
The royal road.
The governing system of the Persian Empire, resting on traditional local government, provincial government and central imperial government.
Alexander the Great.
Persian Empire