Daniel explained that the statue's head of gold represented Nebuchadnezzar’s kingdom, Babylon. It would rule the world from 612 to 539 BC. Moving on, the statue's chest and arms of silver represented Medo-Persia, which was to become the next dominant world power from 539 to 331 BC.
The belly and thighs of brass stood for another great power, Greece, which was to rule from 331 to 168 BC. Then the statue's iron legs symbolized Rome, the empire that would conquer the Greeks in 168 BC and would dominate world affairs with an iron will until its fall in 476 AD.
The statue also had feet made of iron and clay (representing the divided kingdoms of Europe that have never achieved unity.) At the end of the dream a rock, symbolizing God's everlasting kingdom, destroyed the statue and proceeded to endure forever.
Thanks to Daniel's God-given wisdom in interpreting that dream, all the wise men were spared. Making a good impression on the king, he was promoted governor of the entire province of Babylon.