And Daniel continued even unto the first year of king Cyrus.
Daniel 6:28
And this Daniel hath prospered in the reign of Darius, and in the reign of Cyrus the Persian.
Daniel 10:1
In the third year of Cyrus king of Persia, a thing is revealed to Daniel, whose name is called Belteshazzar, and the thing [is] true, and the warfare [is] great: and he hath understood the thing, and hath understanding about the appearance.