Daniel 6:1-3

Darius thought it would be a good idea to choose one hundred twenty governors who would rule his kingdom. He chose three men as supervisors over those governors, and Daniel was one of the supervisors. The supervisors were to ensure that the governors did not try to cheat the king. Daniel showed that he could do the work better than the other supervisors and governors, so the king planned to put Daniel in charge of the whole kingdom.