'First' in the Bible

Now in the first year of Cyrus king of Persia, that the word of the LORD by the mouth of Jeremiah might be fulfilled, the LORD stirred up the spirit of Cyrus king of Persia, that he made a proclamation throughout all his kingdom, and put it also in writing, saying,

From the first day of the seventh month began they to offer burnt offerings unto the LORD. But the foundation of the temple of the LORD was not yet laid.

But many of the priests and Levites and chief of the fathers, who were ancient men, that had seen the first house, when the foundation of this house was laid before their eyes, wept with a loud voice; and many shouted aloud for joy:

And in the time of Ahasuerus, when he first became king, they put on record a statement against the people of Judah and Jerusalem.

And during the reign of Artaxerxes, Bishlam, Mithredath, Tabeel, and the rest of their colleagues wrote to King Artaxerxes of Persia. This letter was first written in Aramaic but then translated. [Aramaic:]

But in the first year of Cyrus the king of Babylon the same king Cyrus made a decree to build this house of God.

In the first year of Cyrus the king the same Cyrus the king made a decree concerning the house of God at Jerusalem, Let the house be builded, the place where they offered sacrifices, and let the foundations thereof be strongly laid; the height thereof threescore cubits, and the breadth thereof threescore cubits;

And the children of the captivity kept the passover upon the fourteenth day of the first month.

For upon the first day of the first month began he to go up from Babylon, and on the first day of the fifth month came he to Jerusalem, according to the good hand of his God upon him.

Then we departed from the river of Ahava on the twelfth day of the first month, to go unto Jerusalem: and the hand of our God was upon us, and he delivered us from the hand of the enemy, and of such as lay in wait by the way.

for they have taken of their daughters to them, and to their sons, and the holy seed have mingled themselves among the peoples of the lands, and the hand of the heads and of the seconds have been first in this trespass.'

And the children of the captivity did so. And Ezra the priest, with certain chief of the fathers, after the house of their fathers, and all of them by their names, were separated, and sat down in the first day of the tenth month to examine the matter.

And they made an end with all the men that had taken strange wives by the first day of the first month.