Daniel 5:28,31
PERES; Your kingdom is divided, and given to the Medes and Persians.
Nave's Topical Index—AKJV

Daniel 9:1
In the first year of Darius the son of Ahasuerus, of the seed of the Medes, which was made king over the realm of the Chaldeans;
Nave's Topical Index—AKJV

Daniel 11:1
Also I in the first year of Darius the Mede, even I, stood to confirm and to strengthen him.
Nave's Topical Index—AKJV