Daniel
Daniel 10:1ESV·traditional attribution

In the third year of Cyrus king of Persia a word was revealed to Daniel, who was named Belteshazzar. And the word was true, and it was a great conflict. And he understood the word and had understanding of the vision.

John Calvin Reformed @genevareformer

We observe the Prophet by no means content with the usual method of address, for the purpose of stirring up the attention of the pious, and of assuring them how worthy of special notice are the prophecies which follow. He marks the time, the third year of King Cyrus, as the Jews were then forbidden by a new edict to build their temple, although liberty...

Matthew Henry Presbyterian @wholebiblehenry

This vision is dated in the third year of Cyrus, that is, of his reign after the conquest of Babylon, his third year since Daniel became acquainted with him and a subject to him. Here is, I. A general idea of this prophecy (Dan 10:1): The thing was true; every word of God is so; it was true that Daniel had such a vision, and...

Commenting on Daniel 10:1-9

John Gill Reformed Baptist @doctorgill

In the third year of Cyrus king of Persia,.... Not of his being king of Persia only, but of the Medopersian empire, after he had subdued the Babylonian empire, and annexed it to his dominions; and this is not to be reckoned from the time of his taking Babylon, and putting the government of it into the hands of his uncle Darius, with whom he...