'Reign' in the Bible

and are hiring against them counsellors to make void their counsel all the days of Cyrus king of Persia, even till the reign of Darius king of Persia.

And in the reign of Ahasuerus, in the commencement of his reign, they have written an accusation against the inhabitants of Judah and Jerusalem;

then ceased the service of the house of God that is in Jerusalem, and it ceased till the second year of the reign of Darius king of Persia.

And this house hath gone out till the third day of the month Adar, that is in the sixth year of the reign of Darius the king.

And after these things, in the reign of Artaxerxes king of Persia, Ezra son of Seraiah, son of Azariah, son of Hilkiah,

And these are heads of their fathers, and the genealogy of those going up with me, in the reign of Artaxerxes the king, from Babylon.