Daniel 8:17-20

So he came near where I was standing, and when he came I was frightened and fell face downward; but he said to me, “Understand, son of man, that the [fulfillment of the] vision pertains to [events that will occur in] the time of the end.” Now as he (Gabriel) was speaking with me, I drifted into a deep sleep (unconsciousness) with my face to the ground; but he touched me and made me stand [where I had stood before]. He said, “Behold, I am going to let you know what will happen during the final time of the indignation and wrath [of God upon the ungodly], for it concerns the appointed time of the end. The ram which you saw with the two horns represents the kings of Media and Persia.