Daniel 8:21
"And the rough goat is the king of Grecia: and the great horn that is between his eyes is the first king."
Cross References (ranked by relevance)
Daniel 11:3
And a mighty king shall stand up, that shall rule with great dominion, and do according to his will.
Daniel 10:20
Then said he, Knowest thou wherefore I come unto thee? and now will I return to fight with the prince of Persia: and when I am gone forth, lo, the prince of Grecia shall come.