Cross reference
Daniel 5:31
31 and Darius the Mede hath received the kingdom, when a son of sixty and two years.
Daniel 9:1
1 In the first year of Darius, son of Ahasuerus, of the seed of the Medes, who hath been made king over the kingdom of the Chaldeans,
Daniel 6:1
1 It hath been good before Darius, and he hath established over the kingdom satraps -- a hundred and twenty -- that they may be throughout the whole kingdom,