The First Gentile Kingdoms: The Book of Daniel's is about dreams; and how the Greeks believed that some god would come and destroy the Roman Empire because of how the Roman Empire destroyed the Greece Empire.
So note: according to Daniel, He shows the interpretation to the King at that time, and he said to the King: Thou art this head of gold, and after you will come' another kingdom inferior to thee, and then a third Kingdom, and a Forth, (Daniel chapter 2:36 through 40).
Also note: In the first year of Belshazzar king of Babylon Daniel had a dream and visions of his head upon his bed: then he wrote the dream, and told the sum of the matters verse 1.
Daniel spoke and said, I saw in my vision by night, and, behold, the four winds of the heaven strove upon the great sea. 2) And four great beasts came up from the sea, diverse one from another. 3)