When it conquered and incorporated the Median Empire in the second half of the 6th Century BCE and was able to use the combined resources to expand to the east and west.
Persian Empire.
Persian Empire, Phoenician trading empire.
The Persian empire was not only the most powerful, but the most advanced. No empire, including the greek, could truly defeat it. With out Persian technology modern civilization would be way behind (in all aspects), the reason they were the best was because they created peace with war, not just savage killing, but they expanded rapidly.
The ancient Persian civilization began around 550 BCE with the rise of the Achaemenid Empire, founded by Cyrus the Great. However, its roots can be traced back to earlier cultures in the region, such as the Elamites and the Medes, which existed as far back as 3000 BCE. The Achaemenid Empire marked the first significant unification of the Persian people and the establishment of a vast empire that extended across three continents.
The Persian Empire.
Persian Empire.
The Persian Empire .
The Persian Empire.
The Persian Empire.
The Persian Empire and the eastern Greek city-states.
The Persian Empire.
It was an empire which promoted civilisation. It encompassed several civilisations such as Egyptian and Babylonian.
Its control of an empire began in 550 BCE.
The Macedonian empire.
Assyria and Babylon.
Both the Persian Empire and Greek civilization had multiple gods responsible for different aspects of human life.
Macedonia conquered the Persian Empire and attempted to impose Greek culture. This was partially successful, but progressively was overlaid by other incoming cultures such as Roman and then Islamic.