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Cyrus the Younger

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Parent: Achaemenid Empire Hop 4
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Cyrus the Younger
NameCyrus the Younger
Birth datec. 424 BC
Death date401 BC
NationalityAchaemenid (Persian)
OccupationPrince, commander
ParentsDarius II and Parysatis
RelativesArtaxerxes II (brother), Achaemenid dynasty

Cyrus the Younger

Cyrus the Younger was a Persian prince and commander of the late Achaemenid Empire who led a major rebellion against his brother Artaxerxes II in 401 BC. He is principally known from Greek accounts, especially the narrative of Xenophon and the events that produced the March of the Ten Thousand. His attempt to seize the throne culminated at the Battle of Cunaxa and profoundly affected Greek-Persian relations, the careers of figures such as Clearchus of Sparta and Lysias (general), and the writings of Plutarch and Diodorus Siculus.

Early life and family background

Cyrus was born circa 424 BC as a son of Darius II and Parysatis, members of the Achaemenid dynasty, making him a brother to Artaxerxes II. He appears in courtly contexts alongside figures such as Tissaphernes and Pharnabazus II and was connected by marriage and alliance networks to satraps like Tomaspater (also known as Pharnaces II of Pontus in some sources). His upbringing fused Persian royal customs found at Susa and Persepolis with exposure to Greek mercenary culture through contacts across western Anatolia, including in cities such as Ephesus, Sardis, and Halicarnassus. Contemporary Greek authors associate his house with the palace intrigues described by Ctesias, the memoirs of Parysatis's faction, and the dynastic rivalries recorded by Plutarch.

Military and political career

Cyrus held high command in the western satrapies and earned a reputation as a capable commander, interacting with satraps like Tissaphernes and Pharnabazus II. He administered regions of Asia Minor and led campaigns that brought him into contact with Greek city-states including Sparta, Athens, and Corinth, and with Greek leaders such as Agesilaus II and Conon (general). His recruitment of Greek mercenaries involved captains like Clearchus of Sparta, Proxenus, Menon of Pharsalus, and Ariaeus. Persian court politics pitting him against Artaxerxes II and courtiers narrated by Ctesias and Plutarch framed his standing, while contemporary historians such as Xenophon and later compilers like Diodorus Siculus and Cornelius Nepos shaped his posthumous image.

Revolt against Artaxerxes II and the Battle of Cunaxa

In 401 BC Cyrus mobilized an army that combined Persian troops and a large contingent of Greek mercenaries, marching to confront Artaxerxes II near Cunaxa on the Tigris plain. The campaign intersected with geopolitical tensions involving the satraps and the outcomes of the Peloponnesian War era alignments, bringing actors such as Tissaphernes, Pharnabazus II, and Orontes I of Armenia into play. The decisive clash, the Battle of Cunaxa, saw Greek hoplites under leaders including Clearchus, Proxenus, and Menon of Pharsalus perform effectively against the royal cavalry, while Cyrus himself was killed in the Persian center or rear; sources vary between Xenophon, Ctesias, and Plutarch on precise details. The defeat at Cunaxa ended Cyrus’s bid and left the Greek contingent isolated on hostile Persian territory.

Greek mercenaries and Xenophon's Anabasis

After the battle, the Greek mercenaries—numbering among the "Ten Thousand"—faces like Xenophon, Cheirisophus, and Clearchus of Sparta organized a fighting retreat and negotiated with Persian satraps including Ariaeus. Xenophon’s firsthand account, the Anabasis, narrates the march from Cunaxa to the Black Sea and immortalizes figures such as Chirisophus and Tissaphernes. The Anabasis influenced later writers like Plutarch and Diodorus Siculus, and became a key classical source on both Greek mercenary practice and Persian provincial politics. The experience shaped Greek perceptions of Persia and served as a military manual referenced by generals including Alexander the Great and commentators like Polyaenus.

Death and immediate aftermath

Cyrus’s death at Cunaxa precipitated the collapse of his campaign and the political marginalization of his supporters such as Ariaeus, who had sided with Cyrus but failed to secure the throne. The Greek leaders attempted to negotiate with Artaxerxes II through intermediaries like Tissaphernes, but treachery and assassination—most notably the murder of Clearchus and other captains at a banquet—left command to soldiers like Xenophon and Cheirisophus. The Ten Thousand then undertook the retreat narrated in the Anabasis, ultimately reaching Greek cities on the Black Sea coast, including Trapezus and Sinope. Cyrus’s corpse, the Persian succession, and the court intrigues involving Parysatis and Artaxerxes II continued to reverberate in Susa and Persepolis.

Historical legacy and interpretations

Cyrus the Younger’s revolt has been interpreted variously as a dynastic struggle, a focal point of Greek-Persian interaction, and a formative episode for classical military literature. Ancient sources—Xenophon, Ctesias, Plutarch, Diodorus Siculus—offer competing portrayals, while modern scholars compare his campaign to later events involving Alexander the Great and the fate of the Achaemenid Empire. Historiographical debates address his motives, the reliability of Greek mercenary testimony, and the role of satrapal politics exemplified by figures like Tissaphernes and Pharnabazus II. His story influenced later cultural receptions in works by Thucydides-inspired analysts, Renaissance historians, and modern treatments in monographs on classical antiquity and the Achaemenid decline.

Category:Achaemenid princes