The founder of the Persian Empire, Cyrus took over the decayed Babyloni an Empire with the help of a revolt in southern Babylonia in 538 BC. Re alizing how difficult it was to keep restless uprooted populations subju gated, Cyrus sent homethe peoples whoh By 550 B.C., King Cyrus the Great of Persia had hacked a humongous empi re fromthe Mediterranean Sea to India, and his winning streak got him to believing hisown PR. After whipping the Assyrians, he looked around fo r an even badder opponent. Everyone Cyrus proclaims friendship toward the worldThe conquest of the ancient world of Asia was begun by Deioces, carried on for 4 or 5 generations, and was finallyachieved under the leadership of King Cyrus II of Persia (559-530 BC) in 538 BC with the stormi (s??rs) (KEY) , d. 529 B.C., king of Persia, founder of the greatness o f the Achaemenids and of the Persian Empire. According to Herodotus, he was the son ofan Iranian noble, the elder Cambyses, and a