20 The ram which you saw, that had the two horns, they are the kings of Media and Persia.
Daniel 8:20 Cross References - NHEB
Daniel 8:3
3 Then I lifted up my eyes, and saw, and look, there stood before the river a ram which had two horns. And the two horns were long, but one was longer than the other, and the longer one came up last.
Daniel 11:1-2
1 "And as for me, in the first year of Daryavesh the Mede, I stood up to support and strengthen him.
2 And now what I show you is true. Look, there shall arise three more kings in Persia, and the fourth shall be far richer than all of them; and when he has grown strong through his riches, he shall stir up all the kingdom of Greece.