King of Persia (336–330) who was defeated in several battles by Alexander the Great. His murder by a Bactrian satrap effectively ended the Persian Empire.
The unfinished one is perhaps that of Arses, who reigned at the longest two years, or, if not his, then that of Darius III.
Darius and Xerxes were repulsed in their efforts to subjugate the Greek Peninsula, and Alexander the Great conquered their successor Darius III.
By the earlier Greek authors (Herodotus, Thucydides and often in Xenophon) it is rendered by i»rapxos lieutenant, governor," in the documents from Babylonia and Egypt and in Ezra and Nehemiah by pakha, " governor "; and the satrap Mazaeus of Cilicia and Syria in the time of Darius III.
The name Artaxerxes was adopted by Bessus when he proclaimed himself king after the assassination of Darius III.
Xenophon says it was subdued by the Assyrians; Curtius that 6000 Hyrcanians were in the army of Darius III.