'First' in the Bible

And Daniel remained there until the first year of [the reign of] King Cyrus [over Babylon; now this was at the end of the seventy-year exile of Judah (the Southern Kingdom) in Babylonia, as foretold by Jeremiah].

In the first year of Belshazzar king of Babylon Daniel had a dream and visions appeared in his mind as he lay on his bed; then he wrote the dream down and related a summary of it.

The first (the Babylonian Empire under Nebuchadnezzar) was like a lion and had the wings of an eagle. I kept looking until its wings were plucked, and it was lifted up from the ground and made to stand on two feet like a man; a human mind was given to it.

While I was considering the horns, behold, there came up among them another horn, a little one, and three of the first horns were pulled up by the roots before it; and behold, in this horn were eyes like the eyes of a man and a mouth boasting of great things.

In the third year of the reign of King Belshazzar a [second] vision appeared to me, Daniel, [this was two years] after the one that first appeared to me.

The shaggy (rough-coated) male goat represents the kingdom of Greece, and the great horn between his eyes is the first king.

In the first year of Darius the son of Ahasuerus, of Median descent, who was made king over the realm of the Chaldeans—

in the first year of his reign, I, Daniel, understood from the books the number of years which, according to the word of the Lord to Jeremiah the prophet, must pass before the desolations [which had been] pronounced on Jerusalem would end; and it was seventy years.

On the twenty-fourth day of the first month, as I was on the bank of the great river Hiddekel [which is the Tigris],

Then he said to me, “Do not be afraid, Daniel, for from the first day that you set your heart on understanding this and on humbling yourself before your God, your words were heard, and I have come in response to your words.

“Also I, in the first year of Darius the Mede, I (Gabriel) arose to be an encouragement and a protection for him.