Cross reference
Daniel 1:21
21 And Daniel went on till the first year of King Cyrus.
Daniel 6:28
28 He gives salvation and makes men free from danger, and does signs and wonders in heaven and earth, who has kept Daniel safe from the power of the lions.
Daniel 10:1
1 In the third year of Cyrus, king of Persia, a secret was unfolded to Daniel, whose name was Belteshazzar; and the thing was true, even a hard work: and he had knowledge of it, and the vision was clear to him.