This battle was a victory for Artaxerxes II despite the presence of Greek mercenaries since it saw the death of his rebellious brother, Cyrus the Younger.  
According to Dinon, one participant in this battle by an action earned the right to place a golden cock on his spear, though another source claims that action was performed by a man named Mithridates.  One important figure in this battle was Teribazus, while the murder of Statira following this battle by Parysatis is reported by another eyewitness, Ctesias.  One commander here refused to put his heavy troops in the center, insisting on staying on the right next to a riverbank, and he fought on the side of (*) Ariaeus.  Phalinus was sent as a messenger to the losers of this battle after Tissaphernes seized and killed many of their leaders at a banquet, including Clearchus of Sparta.  This battle was a victory for Artaxerxes II despite the presence of Greek mercenaries since it saw the death of his rebellious brother, Cyrus the Younger.  For 10 points, name this battle fought on the Euphrates which was followed by the march to the Black Sea of the Ten Thousand, recounted in the Anabasis of Xenophon.
According to Dinon, one participant in this battle by an action earned the right to place a golden cock on his spear, though another source claims that action was performed by a man named Mithridates.  
Battle of {Cunaxa}