In the first year of Darius the son of Ahasuerus, of the descendants of the Medes, who was made king over the realm of the Chaldeans;
All Commentaries on Daniel 9:1 Go To Daniel 9
Jerome
AD 420
This is the Darius who in cooperation with Cyrus conquered the Chaldeans and Babylonians. We are not to think of that other Darius in the second year of whose reign the Temple was built (as Porphyry supposes in making out a late date for Daniel); nor are we to think of the Darius who was vanquished by Alexander, the king of the Macedonians. He therefore adds the name of his father and also refers to his victory, inasmuch as he was the first of the race of the Medes to overthrow the kingdom of the Chaldeans. He does this to avoid any mistake in the reading which might arise from the similarity of the name.
