Daniel 6:2

6:2 Over them would be three supervisors, one of whom was Daniel. These satraps were accountable to them, so that the king’s interests might not incur damage.

Daniel 9:1

Daniel Prays for His People

9:1 In the first year of Darius son of Ahasuerus, who was of Median descent and who had been appointed king over the Babylonian empire –