Joseph Benson's Commentary of the Old and New Testaments - Daniel 8:20-22
Daniel 8:20-22. The ram, &c., having two horns, are the kings, or kingdoms rather, of Media and Persia. And the rough goat is the king, or kingdom, of Grecia. And the great horn, &c., is the first king Namely, Alexander the Great, the first Grecian king that reigned over Asia. Now that being broken That is, this first king being deceased; four kingdoms shall stand up, &c. Shall arise from it, under the rule of the same nation that the first king was of, namely, the... read more
Albert Barnes' Notes on the Whole Bible - Daniel 8:22
Now that being broken - By the death of Alexander.Whereas four stood up for it - Stood up in its place.Four kingdoms shall stand up - Ultimately. It is not necessary to suppose that this would be immediately. If four such should in fact spring out of this one kingdom, all that implied in the prophecy would be fulfilled. On the fulfillment of this, see the notes at Daniel 8:8.But not in his power - No one of these four dynasties had at any time the power which was wielded by Alexander the Great. read more