WORLD CIVILIZATION

Detailed explanation-1: -According to the historian Herodotus, it is known that Astyages placed Harpagus in command of the Median army to conquer Cyrus.

Detailed explanation-2: -The Medes had early successes in battle, but the comeback by Cyrus the Great and his army, which is said to have included Harpagus, now allied with the Persians, was too overwhelming, and the Medes were finally conquered by 549 BC. Thus the first official Persian Empire was born.

Detailed explanation-3: -Like many ancient rulers, the Persian conqueror Cyrus the Great (ca 590– ca 529 B.C.), also known as Cyrus II, was born of royalty. On the death of his father, Cambyses I, Cyrus ruled the Achaemenid dynasty and expanded his ancestral realm into a mighty empire.

Detailed explanation-4: -Cyrus the Great (ca. 600-530 BC) was the founder of the Achaemenid Empire, often referred to as the first Persian Empire. At the time of his death he had created the largest empire that the world had ever seen, stretching as it did from the Mediterranean Sea to the Indus River.