Born about 431 BC, Xenophon was one of the most trusted disciples of Socrates. The turning point in his career came when he decided to serve in the Greek army raised by Cyrus the Younger against the king, Artaxerxes in 401 BC.
Xenophon himself mentions the circumstances under which he joined this army (Anabasis 3:1). Proxenus, a friend of Xenophon, was already with Cyrus, and he invited Xenophon to come to Sardis, and promised to introduce him to the Persian prince. Xenophon then accompanied Cyrus into Asia.
Xenophon's work, the Anabasis, was a history of the expedition of Cyrus, and of the retreat of the Greeks who formed part of his army. It is divided into seven books.
With regard to the title, it will be noticed that under this name, which means The March Up, the Anabasis was composed about 20 years after the events narrated, but was founded on memoranda made at the time, as may be inferred from the minuteness and precision of its details.
He is said to have retired to Corinth after his expulsion from Scillus and, as we know nothing more, we assume that he died there some time around 357 BC.