עזרא ו:יד פירוש: רש״י

And the elders of the Jews And the elders of the Jews were building and succeeding in their work, according to the prophecy of Haggai and Zechariah, and they built and founded the building by the command of the God of Israel and by the authorization of Cyrus, the first king of Persia, in whose days the laying of the foundation was commenced, and by the authorization of this Darius, the king of Persia.

and Artaxerxes He is Darius, but he was called Artaxerxes because of the province and the kingdom, for all kings of Persia were thus named just as all the kings of Egypt were called Pharaoh.