In the "Anabasis", the historian Xenophon covered his years fighting for this "younger" Persian
The Persians withdrew only to return the following year (479) but... [DOC] [TLE] Xenophon | Greek historian | Britannica.com [PAR] His Anabasis (Upcountry March) in particular was highly... ... Cyrus the Younger
, and became involved in Cyrus's rebellion against his brother, the Persian king 
Artaxerxes II.