Cross reference
Daniel 9:1
1 In the first year of Darius the son of Ahasuerus, of the seed of the Medes, who was made king over the realm of the Chaldeans,
Daniel 11:1
1 "As for me, in the first year of Darius the Mede, I stood up to confirm and strengthen him.
Daniel 1:21
21 Daniel continued even to the first year of king Cyrus.
Daniel 5:31-1
31 Darius the Mede received the kingdom, being about sixty-two years old.
1 It pleased Darius to set over the kingdom one hundred twenty satraps, who should be throughout the whole kingdom;
Daniel 6:28
28 So this Daniel prospered in the reign of Darius, and in the reign of Cyrus the Persian.