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Quintus Labienus
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Quintus Labienus Parthicus (died 39 BC) was a Roman general in the Late Republic period. The son of Titus Labienus, he made an alliance with Parthia and invaded the Roman provinces in the eastern Mediterranean which were under the control of Mark Antony. He occupied the Roman province of Syria together with the Parthians in 40 BC. He then pushed into southern Anatolia, still with Parthian support. The main Parthian force took charge of Syria and invaded Judea. Both Labienus and the Parthians were defeated by Publius Ventidius Bassus, who recovered these provinces for Mark Antony.
Liberators' Civil War
[edit]After the assassination of Julius Caesar in 44 BC, there was a civil war between the Caesarians, the supporters of Caesar, and the Pompeians, the supporters of Pompey, who had led the forces of the Roman senate against Caesar during Caesar's Civil War (49-45 BC). In this civil war, the Liberators' Civil War (43-42 BC), the Pompeians were led by Gaius Cassius Longinus and Marcus Junius Brutus the Younger, the leaders of the conspiracy to murder Caesar. They fought against Octavian and Mark Antony, two members of the Second Triumvirate, an alliance between the three leaders of the Caesarians. Cassius and Brutus were defeated at the Battle of Phillipi in October 42 BC. Labienus tried to resurrect the Pompeian cause with the help of the Parthians.
Continuing the Pompeian cause
[edit]According to Festus, Labienus fled to Persia.[1] However, according to Cassius Dio, he was instead sent by Brutus and Cassius to Orodes II, the king of Parthia, to obtain reinforcements before the Battle of Phillipi. He was kept there for a long time as Orodes was waiting to see how things would turn out. Labienus remained in Parthia when he heard of the defeat at Phillipi for fear of reprisals by the victors. When he saw that Mark Antony misruled his provinces in the east and that he went to Egypt, he persuaded Orodes to attack the Romans. He told him that some of their armies had been destroyed or impaired in the battle and other armies were mutinous. He advised him to invade Syria while Mark Antony was in Egypt and told him that many Roman provinces would welcome him as they had been alienated by Antony's mistreatment. He offered to take the command of his troops. Orodes was persuaded to wage war and entrusted a large force to Labienus and his son Pacorus I.[2] Plutarch, instead, wrote that the Parthian generals appointed Labienus commander-in‑chief of a Parthian army which was hovering in Mesopotamia and was about to invade Syria.[3] According to Justin, it was Pacorus who had the leadership of the invading force.[4]
Justin thought the Parthians took the side of the Pompeians and allied with Labienus because they had formed a friendship with Pompey in the Third Mithridatic war (73-63 BC) and because they had defeated and killed Marcus Licinius Crassus, who was an ally of Caesar, at the Battle of Carrhae (53 BC). The son of Crassus was in the Caesarian party. Thus, they thought that if the Caesarians won, they would want to avenge the death of Crassus. Justin also wrote that they had already sent assistance to Cassius and Brutus, which is in contrast with Cassius Dio's account. Appian thought that it was the actions of Mark Antony which caused this Parthian invasion. When Antony fell in love with Cleopatra, he lost his interest in public affairs and did Cleopatra's bidding.[5] After Caesar's death in 44 BC there was civil strife in Syria and local tyrants took over the Syrian cities with the help of the Parthians. Antony expelled these tyrants, who took refuge in Parthia. He then imposed heavy tributes. He sent a cavalry force to plunder Palmyra, a rich city, but this was foiled by the townsfolk. He garrisoned Syria. This was the mistreatment Cassius Dio referred to. After this Antony went to Egypt to join Cleopatra.[6]
Pompeian-Parthian invasion of 40BC
[edit]Cassius Dio gave the details of Labienus's campaign. He invaded Phoenicia and attacked Apamea, but he was repulsed. However, he won over all the Roman garrisons in Phoenicia without resistance because they were soldiers who had fought with Cassius and Brutus and were sent there when Mark Antony incorporated them in his forces. They knew Labienus. Lucius Decidius Saxa, who had been put in command in Syria by Antony, was the only one who did not defect. He fled. Labienus pursued him and defeated him and his few followers. Saxa fled to Antioch. The townsfolk of Apamea surrendered because they thought that Saxa was dead. Labienus forced Antioch to surrender and Saxa fled to Cilicia. Labienus caught up with him, captured him and executed him. Meanwhile, Pacorus subjugated Syria, except for Tyre, whose townsfolk supported the Roman soldiers who fled there. Pacorus did not have a fleet and could not seize the city. He moved on to Judea, invaded it, deposed Hyrcanus II and installed, Antigonus II Mattathias his nephew and foe.[7] Josephus gave a detailed account of events in Judea when the Parthians invaded it.[8]
Meanwhile, Labienus occupied Cilicia and obtained the allegiance of the cities on the southern coast of Anatolia except for three cities in Caria: Stratonicea, Mylasa and Alabanda. The latter two cities had accepted garrisons from him, but then murdered them and rebelled. Labienus seized Alabanda and punished its people. He destroyed Mylasa after it had been abandoned. He besieged Stratonicea for a long time but did not manage to capture it. He styled himself as Parthicus (conqueror of the Parthians), thereby taking a “title from those whom he was leading against the Romans, as if it were the Parthians and not his fellow-citizens that he was defeating.” [9]
Plutarch wrote that Mark Antony was slow to respond to Labienus's invasions because he was caught up with the charms of Cleopatra in Egypt and a luxurious lifestyle, feasting, playing sports and engaging in other youthful pursuits. He was surprised by reports that his wife Fulvia had started a war with Octavian in Italy (the Perusine War, 41-40 BC) and that Labienus "was subduing Asia from the Euphrates and Syria as far as Lydia and Ionia."[10] Cassius Dio, instead, wrote that Antony kept himself informed. However, he failed to take defensive measures, because now that he was in power he did not pay enough attention to his duties and enjoyed the life of luxury of the Egyptians “until he was entirely demoralised.” When he was forced to take action, he sailed to Tyre to help Tyre. However, when he saw that Syria had already been occupied, he abandoned it. He sailed along the coast all the way to Greece and then to Italy to support Fulvia in her war against Octavian. He seized Sipontum and besieged Brundisium. When Fulvia died, the hostilities were terminated and there was reconciliation. Antony and Octavian signed the Treaty of Brundisium in September 40 BC.[11][12]
Mark Antony returned to Greece. He sent Publius Ventidius Bassus to Asia against the Parthians and Labienus.[13] When Ventidius came upon Labienus, Labienus was frightened by its suddenness. He was without the Parthians and had only troops which had been levied locally. Ventidius pushed him out of the Roman province of Asia and pursued him into Syria with his lightest troops. He caught up with him near the Taurus Mountains. The two forces stayed encamped for several days. Ventidius was waiting for his heavy-armed troops and Labienus was waiting for the Parthians. Both arrived at the same time. Ventidius was worried about the large enemy cavalry and remained in his camp on a hill. The latter, confident in the strength of their numbers, rode up the hill at dawn without waiting for Labienus’ forces to join them. Ventidius did not respond and the cavalry made a charge up the slope. When they were some way up the Romans attacked and pushed the enemy downhill. Many were killed in combat and a larger number was trampled over by those who were retreating while they were still going up the hill.
The survivors fled without joining Labienus, and Ventidius pursued them up to their camp. Labienus had got there and prepared to offer battle. However, his soldiers were dejected because of the flight of the Parthians. Labienus gave up and tried to withdraw. Ventidius had learned about this from deserters and prepared some ambushes. The enemy was defeated and Labienus escaped. He spent some time in Cilicia in disguise. However, he was found out and arrested. Ventidius took charge of Cilicia and sent a cavalry force to Amanus, a mountain between Cilicia and Syria. It was nearly routed by Pharnapates, a lieutenant of Pacorus in charge of the garrison at the pass. Ventidius showed up unexpectedly, defeated the enemy and killed Pharnapates. The Parthians abandoned Syria and Ventidius seized it without a fight. He occupied Judea and left it after a frightened Antigonous fled.[14] For the actions of Ventidius and his lieutenant, Silo, in Judea see Josephus.[15]
According to Florus, the battle (see Battle of Mount Gindarus) was fought between the rivers Euphrates and Orontes, and the defeated force numbered more than 20,000. Ventidius used the stratagem of pretending to panic to get the enemy to come close to prevent them from using their arrows as they would not have room to shoot. Pacorus died in the battle. This was a compensation for the disaster of Crassus at the Battle of Carrhae. His head was carried around the cities which had revolted. Syria was recovered without a fight.[16] Festus wrote that the battle was fought on Mount Caper. Both Labienus and Pacorus died in that battle. The latter died on the same day in which Crassus had been defeated and this avenged his death. Ventidius celebrated a triumph over the Persians.[1] Velleius Paterculus, too, wrote that Labienus and Pacorus died in the battle.[17] Frontinus, like Florus, thought that Ventidius feigned fear to lure the Parthians into an unfavourable situation and then attacked them by surprise. The Parthians refused to follow Labienus and left the province.[18] In the Periochae, with his victory, Ventidius drove the Parthians out of Syria after Labienus had been killed.[19] According to Plutarch, Labienus died in the battle, and so did Pharnapates, the most capable general of Orodes II. Mark Antony received the news of the victory while he was wintering in Athens.[20]
According to Justin, Ventidius routed the Parthian army in the absence of Pacorus. Justin, too, wrote that Ventidius pretended to be afraid. He put the Parthians to flight with part of his army. Pacorus thought that the fugitive had drawn all the Romans in their pursuit and that their camp was unguarded. He attacked it, but was defeated by the rest of the Roman troops. Pacorus died. This was the biggest defeat suffered by the Parthians in any war.[4]
See also
[edit]References
[edit]- ^ a b Festus, Summary of the history of Rome, 18
- ^ Cassius Dio, Roman History, 48.24.4-8, 25.1
- ^ Plutarch, The Live of Antony, 28.1
- ^ a b Justin, Epitome of Pompeius Trogus' Philippic Histories, 42.4
- ^ Mark Antony had Arsinoe, Cleopatra’s sister and a potential rival for the Egyptian throne, murdered, he had Serapion, Cleopatra's perfect in Cyprus, and a man who claimed to be her brother handed over to her by the townsfolk of Tyre and the Arcadians respectively
- ^ Appian, The Civil Wars, 5.9-10
- ^ Cassius Dio, Roman History, 48.25.2-4-24.1-2
- ^ Josephus, The Jewish War, 1.13-15.309 [1] Archived 2018-04-29 at the Wayback Machine Jewish Antiquities, 14.330-14 [2] Archived 2023-08-28 at the Wayback Machine
- ^ Cassius Dio, Roman History, 48.26.3-5
- ^ Plutarch, The Live of Antony, 29-30.1
- ^ Cassius Dio, Roman History, 48.27-30.1
- ^ Stories of Antiquity: Treaties of Brundisium & Tarentum
- ^ Appian, The Civil Wars, 5.65
- ^ Cassius Dio, Roman History, 48.39-41
- ^ Josephus, The Jewish War, 1.15.288-16-317 Jewish antiquities 14.15-394-434
- ^ Florus, Epitome of Roman History, 2.19.3-7
- ^ Velleius Paterculus, Roman History, 2.78
- ^ Frontinus, Stratagems, 2.5.36
- ^ "The Periochae of Livy, 127". Archived from the original on 2018-10-27. Retrieved 2020-03-26.
- ^ Plutarch, The Life of Antony, 33.4
Sources
[edit]- Appian, Roman History: The Civil Wars, Vol 4, Books 3.27-5 (Loeb Classical Library), Loeb, 1989; ISBN 978-0674990067
- Cassius Dio, Roman History, Vol. 5 Books 46-50 (Loeb Classical Library), Loeb, 1989; ISBN 978-0674990913
- Josephus, Jewish Antiquities, Books 14-15 (Loeb Classical Library), Loeb, 1998; ISBN 978-0674995383
- Josephus, The Jewish War, Books 1-2 (Loeb Classical Library), Loeb,1997; ISBN 978-0674995680
- Justin, Epitome of the Philippic History of Pompeius Trogus (Classical Resources Series, No 3, Society for Classical Studies Classical Resources), Oxford University Press, 1994; ISBN 978-1555409517
- Plutarch Lives, vol. 9, "Demetrius and Antony". "Pyrrhus and Gaius Marius" (Loeb Classical Library), Loeb, 1920; ASIN: B00E6TGQKO
- Morello, Antonio (2005). Titus Labienus et Cingulum, Quintus Labienus Parthicus Volume 9 of Nummus et historia. Circolo numismatico Mario Rasile. Quintus Labienus at Google Books
External links
[edit]- Coins of Rome about Parthia: Quintus Labienus (42-39 B.C.) [3]
Quintus Labienus
View on GrokipediaQuintus Labienus Parthicus (died 39 BC) was a Roman general of the late Republic, the son of Titus Labienus, who had served as a key lieutenant to Julius Caesar before defecting to Pompey during the Civil War.[1] A staunch Republican, Quintus fought under the assassins of Caesar, including at the Battle of Philippi in 42 BC, where the Optimates were decisively defeated by the forces of Octavian and Mark Antony.[2] Following this loss, he sought refuge at the Parthian court of King Orodes II, forging an alliance that enabled him to lead Parthian armies in a major incursion into Roman eastern provinces.[1] In 40 BC, Labienus, alongside Parthian crown prince Pacorus I, spearheaded an invasion of Syria, exploiting Roman disarray from the Perusine War; their forces swiftly overran the province, capturing Antioch and much of Asia Minor, while Labienus assumed the title imperator Parthicus and minted coins proclaiming Parthian victory over Rome.[3] These successes briefly restored Republican influence in the East and supported figures like Antigonus in Judaea against Herodian claimants, but they were short-lived.[2] Roman countermeasures under Publius Ventidius Bassus culminated in decisive victories, including at the Cilician Gates, forcing Labienus to flee; he was pursued and slain near the Taurus Mountains, marking the end of significant Republican-Parthian collaboration. Primary accounts from Cassius Dio and Appian highlight Labienus's role as a opportunistic defector leveraging foreign aid against the Triumvirate, though his ambitions ultimately faltered against renewed Roman cohesion.[3]
Background and Origins
Family and Parentage
Quintus Labienus was the son of Titus Labienus (c. 100–45 BC), a Roman equestrian and military commander who initially served as one of Julius Caesar's key legates during the Gallic Wars (58–50 BC) before defecting to Pompey the Great and the Republican optimates at the outset of the Civil War in 49 BC.[2] This paternal allegiance to the senatorial faction underscored a familial tradition of opposition to Caesar's consolidation of power, as Titus Labienus commanded Pompeian forces in Africa and Hispania, dying at the Battle of Munda in 45 BC while fighting Caesar's legions.[4] The Labienus family hailed from Picenum, a region in central Italy that produced several anti-Caesarian leaders, including Pompey, whose patronage networks extended to local equestrians like Titus.[5] Quintus's precise birth date remains uncertain, but given his active military role by 43 BC and death in 39 BC, scholars estimate it around 80–70 BC, aligning with the timeline of his father's prominence under Caesar.[6] Titus Labienus's connections to optimate figures, forged through his early career and Pompey's influence in Picenum, positioned the family within broader networks of Republican resistance, emphasizing dynastic ties to senatorial traditionalism over popularist reforms.[2]Early Involvement in Roman Politics
Quintus Labienus, the son of Titus Labienus—a prominent Roman general who had served as Julius Caesar's legate in Gaul before defecting to Pompey's Republican faction during the civil war of 49–45 BC—entered Roman politics amid the escalating tensions of Caesar's dictatorship. Titus' steadfast opposition to Caesar, culminating in his command of Republican cavalry at the Battle of Munda on March 17, 45 BC, where he perished, established a family legacy of senatorial loyalty that profoundly shaped Quintus' alignment against Caesarian autocracy.[2] In the immediate aftermath of Caesar's assassination on the Ides of March, 44 BC, Quintus emerged as an adherent to the Liberators, Brutus and Cassius, reflecting the broader senatorial resistance to the late dictator's heirs and the consolidating power of Mark Antony and Octavian. Though details of his precise roles prior to 43 BC remain sparse, his selection by the assassins as one of the ambassadors to the Parthian court indicates early trust within conspiratorial networks seeking external alliances to bolster Republican forces against the emerging Second Triumvirate.[1][2] By 43 BC, as political instability intensified with the Triumvirs' proscriptions and the formation of their alliance, Quintus transitioned toward active military service under Cassius Longinus, the proconsul of Syria and a key Liberator, marking his shift from political advocacy to operational involvement in the defense of Republican ideals. This progression underscored the Labieni family's enduring commitment to restoring senatorial authority amid the republic's fracture.[2]Role in the Liberators' Civil War (43–42 BC)
Service under Cassius Longinus
In 43 BC, following the assassination of Julius Caesar, Quintus Labienus aligned with the Liberators and served as a legate under Gaius Cassius Longinus in the eastern provinces, where Cassius aimed to raise funds, troops, and supplies to sustain the Republican cause against the Second Triumvirate. Labienus, leveraging his family's military prestige, contributed to the consolidation of Republican control over Asia Minor and Syria, regions critical for their wealth and manpower; Cassius successfully levied approximately 80,000 infantry and 20,000 cavalry from these areas, enabling the Liberators to assemble eleven legions overall. Labienus participated in the defensive campaigns against triumviral incursions, particularly the advance of Publius Cornelius Dolabella, who sought to seize Syria as his allotted province. Cassius intercepted Dolabella near Laodicea in July 43 BC, besieging his forces and prompting Dolabella's suicide after a failed breakout attempt; Labienus' involvement in these operations demonstrated tactical proficiency akin to that of his father, Titus Labienus, who had commanded Roman legions effectively in Gaul and against Caesar. Through coordination with Cassius and Marcus Junius Brutus, Labienus aided in resource extraction, including the imposition of indemnities on cities like Rhodes and Lycia—totaling over 200 talents from some—and the recruitment of auxiliary forces, bolstering the Liberators' logistical position ahead of the decisive confrontations in Macedonia.Diplomatic Envoy to Parthia
In 43 BC, amid preparations for the Republican campaign against the Second Triumvirate, Gaius Cassius Longinus dispatched Quintus Labienus as a key ambassador to the Parthian king Orodes II to solicit military reinforcements for the Liberators' cause.[7][2] Labienus, son of the prominent Caesarian opponent Titus Labienus, was selected likely due to his eastern connections and the familial legacy of anti-Caesarian resistance, positioning him to negotiate effectively at the Parthian court in Ctesiphon.[1] The embassy occurred shortly before the Battle of Philippi in October 42 BC, reflecting Cassius's strategy to augment his Syrian-based forces, which had recently repelled Parthian incursions under Pacorus I, with allied cavalry and archers to counter the Triumvirs' numerical superiority.[7][2] The negotiations centered on forging a mutual alliance, with Labienus offering incentives tied to Republican victory, including potential cessions of Roman-held territories in Syria and Mesopotamia to Parthian control, thereby appealing to Orodes's expansionist ambitions in the Levant.[2] Cassius Dio records that Labienus explicitly sought "reinforcements" from Orodes prior to Philippi, underscoring the urgency of integrating Parthian horse archers—proven devastating at Carrhae in 53 BC—into the Republican order of battle.[7] Velleius Paterculus and Appian corroborate the timing and purpose, noting the envoy's role in bidding for external aid to sustain the anti-Triumviral front amid resource strains in the East.[8] These overtures aligned with first-principles realpolitik: the Republicans, controlling Syria but facing encirclement, required non-Roman auxiliaries to offset the Triumvirs' legions, while promising Parthia strategic footholds without immediate Roman commitment.[2] Parthian receptivity stemmed from opportunistic calculus rather than ideological alignment, as Orodes eyed Roman disarray to reclaim influence lost in prior clashes, including Cassius's 43 BC victories over Pacorus that had curbed Parthian raiding in Syria.[2] The kingdom's elite, still reveling in the Carrhae triumph where they captured Roman standards and executed Marcus Licinius Crassus, viewed the civil war as a chance to weaken a perennial rival without full-scale commitment, potentially securing tribute or border adjustments.[7] Labienus achieved preliminary success in cultivating this interest, as evidenced by Orodes's later entrustment of forces to him post-Philippi, though the aid arrived too late for the decisive Republican defeat; Dio attributes this rapport to Labienus's persuasive depiction of Triumviral vulnerabilities.[7][1] This diplomatic overture thus laid groundwork for deeper Partho-Republican collaboration, highlighting how external powers exploited Rome's internal fractures for territorial leverage.[2]Refuge and Alliance with Parthia (42–40 BC)
Survival after Philippi
Following the Republican forces' defeat at the Battle of Philippi in October 42 BC, where Brutus and Cassius suffered catastrophic losses against the triumvirs Mark Antony and Octavian, Quintus Labienus evaded the immediate peril faced by captured or suicidal Republican commanders by remaining distant from the theater of war. As one of the envoys dispatched by Cassius in the winter of 43/42 BC to solicit Parthian military support against the triumvirate, Labienus was already positioned eastward, beyond the reach of Antony's victorious legions that pursued fleeing Republicans across Macedonia and Thrace.[9][1] Upon receiving news of the Philippi debacle and the intensified proscriptions targeting Republican sympathizers, Labienus opted against repatriation, which would have exposed him to execution akin to that of figures such as the proscribed senators rounded up by Antony's agents in the ensuing months. Instead, he capitalized on his established diplomatic ties at the Parthian court under King Orodes II to secure refuge, effectively prolonging Republican resistance through foreign alliance rather than direct confrontation or surrender.[1][10] This decision marooned him in Parthian territory but preserved his life and agency, distinguishing his trajectory from the suicides of Brutus and Cassius or the captures enabling summary executions by triumviral forces.[9] Ancient accounts, including those preserved in Cassius Dio's Roman History (Book 47 for the embassy's dispatch and Book 48 for contextual aftermath), underscore the premeditated nature of Labienus's mission preceding Philippi, with his post-defeat retention in Parthia framed as a pragmatic pivot amid the collapse of organized Republican opposition in the west.[7] While precise itineraries of his eastward progress—likely traversing Anatolia and Mesopotamia—are not detailed in surviving sources, the envoy's prior authorization by Cassius facilitated unhindered access to Parthian domains, averting interception by patrolling Roman auxiliaries or local proxies loyal to the triumvirs.[1] This survival mechanism exemplified the fragmented prolongation of civil war resistance beyond Philippi's decisive closure.Integration into Parthian Court
Following his flight from the Battle of Philippi in late 42 BC, Quintus Labienus took refuge at the court of Parthian King Orodes II, where he remained as a resident exile for roughly two years until 40 BC.[1] During this period, Labienus adapted to the Parthian aristocratic structure by leveraging his Roman military expertise and diplomatic background from his earlier embassy under Cassius Longinus, positioning himself as a valued foreign counselor amid Orodes' cautious foreign policy.[10] Labienus earned the epithet Parthicus, signifying his integration and perceived status within Parthian elite circles, though this reflected his self-promoted role rather than formal ennoblement.[11] He exerted influence particularly over Crown Prince Pacorus I, Orodes' designated heir, by furnishing detailed intelligence on the fractured Roman Triumvirate's vulnerabilities—such as Mark Antony's overextended eastern command and the lingering loyalty of republican sympathizers in provincial garrisons. This advisory input shaped Parthian anti-Roman planning, emphasizing opportunistic strikes against underdefended frontiers while avoiding full-scale commitment that might provoke unified retaliation.[6] Parthian court politics featured internal contention over intervention, with Orodes delaying decisions for weeks amid recollections of the costly 53 BC Carrhae campaign and concerns over expending resources on Roman civil strife.[11] Labienus' persistent advocacy, rooted in firsthand knowledge of republican networks, ultimately swayed Orodes toward limited support, culminating in Labienus' designation as co-strategist alongside Pacorus for exploratory operations east of the Euphrates. This alliance highlighted cultural frictions, as Parthian nobles weighed nomadic cavalry traditions against Labienus' advocacy for hybrid tactics incorporating Roman defectors, yet pragmatic mutual interests in weakening Antony's hold prevailed over deeper assimilation.[2]Leadership in the Parthian-Roman Invasion (40–39 BC)
Initial Campaigns and Victories
In the spring of 40 BC, Quintus Labienus and Pacorus I, son of the Parthian king Orodes II, led a combined Parthian-Roman force across the Euphrates River from Mesopotamia into Roman Syria, initiating the invasion under joint command.[10] The Parthian army, numbering tens of thousands including horse archers and cataphracts, targeted key Roman strongholds, exploiting the vulnerability of provincial garrisons weakened by recent civil strife.[12] The initial advance focused on Apamea, where two Roman legions under Decidius Saxa were stationed; an early assault was repulsed, but Labienus, leveraging his Roman identity and appeals to pro-Republican loyalties among the troops—many of whom had served under Cassius Longinus—induced their defection without further battle.[10] This betrayal, rooted in lingering support for the Liberators' cause amid Mark Antony's preoccupation with Italian politics and his divided attentions following the Treaty of Brundisium, enabled swift territorial gains.[12] Antioch, Syria's capital, fell shortly thereafter to the invaders, who faced minimal organized resistance as local cities surrendered en masse by midsummer 40 BC.[10][12] Parallel to Labienus's operations in northern Syria, Pacorus directed a southern thrust into Phoenicia and Palestine, capitalizing on regional instability and sparse Roman oversight.[12] Cities such as Tyre and Ptolemais submitted rapidly, while in Judea, local factions hostile to Roman-aligned Hasmonean rulers facilitated advances toward Jerusalem, underscoring the invasion's exploitation of pro-Republican and anti-Antonian sentiments in the Levant. These early victories, achieved within months of the crossing, restored Labienus's imperatorial title and positioned the Parthians to control Syria's coastal and inland routes by late summer.[10]Occupation of Syrian Provinces
In 40 BC, Quintus Labienus established provisional authority over Syria, including the key cities of Antioch and Apamea, as well as Cilicia and segments of Asia Minor, by integrating defecting Roman garrisons sympathetic to the Republican cause.[2] Administrative efforts focused on leveraging local Roman military loyalty rather than imposing a formal bureaucracy, with Labienus positioning himself as a legitimizing figure for anti-Triumviral elements amid provincial resentment toward heavy taxation and requisitions under the Second Triumvirate.[1] To sustain this control and incentivize further defections, he minted silver denarii and gold aurei at Antioch, featuring his bare-headed portrait on the obverse with the inscription Q. LABIENVS PARTHICVS IMP, symbolizing imperial command and ironic claims of Parthian conquest despite his alliance, while the reverse depicted a saddled horse to evoke equestrian prowess.[2][13] These coins, produced in limited quantities as donatives for legions such as those formerly under Decidius Saxa, propagandized the restoration of senatorial Republican governance free from Caesarian dominance.[1] Strategic alliances with regional elites disillusioned by Triumviral policies enhanced consolidation, particularly in Judea where Parthian detachments under Barzapharnes supported Antigonus II Mattathias, son of Aristobulus II, in deposing the pro-Roman high priest Hyrcanus II and installing Antigonus as king and ethnarch in late 40 BC.[2][14] This Hasmonean restoration exploited longstanding Jewish opposition to Hyrcanus's Roman alignment and the Herodian family's influence, securing a client buffer state and access to Judean resources without direct Roman intervention at the time.[14] Sustaining occupation proved challenging due to the expedition's composition—primarily Parthian cataphracts and horse archers optimized for mobility rather than static defense—and supply strains in urbanized Roman provinces unaccustomed to nomadic-style logistics.[2] Internal frictions emerged between Labienus, who envisioned permanent Republican administration in the east, and Parthian prince Pacorus I, whose forces emphasized raiding and territorial grabs over governance, resulting in divided commands that hampered unified policy enforcement.[2] These misalignments, compounded by Orodes II's remote oversight from Ctesiphon, limited long-term stabilization before Roman reinforcements arrived.[1]Roman Counterattacks and Defeat
In 39 BC, Mark Antony dispatched Publius Ventidius Bassus with several legions to Asia Minor to reclaim the eastern provinces overrun by Quintus Labienus and Parthian forces. Ventidius advanced rapidly from Brundisium, leveraging local knowledge and auxiliary slingers to neutralize Parthian horse archers, and first engaged Labienus's army in Syria, inflicting heavy casualties and forcing a disorganized retreat toward Cilicia.[15] Ventidius pursued relentlessly, positioning his troops on high ground in the Taurus Mountains near the Cilician Gates, where he ambushed Labienus's retreating forces at dawn. The Romans repelled Parthian charges downhill, slaying numerous enemies including the Parthian commander Phranipates, while Labienus attempted to flee in disguise but was overtaken, captured, and executed. This tactical reversal shattered Labienus's control over the occupied territories, as his hybrid Roman-Parthian army disintegrated under the surprise assault.[15][16] Further complicating Labienus's position, reinforcements under Parthian prince Pacorus arrived too late to coordinate effectively, as Ventidius's swift maneuvers had already deprived Labienus of initiative and severed communication lines. Labienus's failed appeals for aid highlighted the logistical vulnerabilities of the invasion, with Parthian cavalry unable to exploit open terrain amid the mountainous defiles favoring Roman infantry. Ventidius's victories thus expelled the invaders from key passes, restoring Roman access to Syria and Cilicia without broader engagements.[15]Death and Immediate Aftermath
In 39 BC, Publius Ventidius Bassus, dispatched by Mark Antony with four legions, initiated a counteroffensive from Syria against the remaining Parthian and Roman forces under Quintus Labienus. Ventidius first secured the Amanus Pass before advancing into Cilicia, where he ambushed and routed Labienus's army near the Cilician Gates in a decisive engagement. Labienus, attempting to flee, was captured by Roman troops and promptly executed by beheading.[17][2] The loss of Labienus, who had served as the Parthians' primary strategist and liaison with local Roman defectors, severely undermined their campaign cohesion. Pacorus I, son of Orodes II, abandoned his positions in Syria—including the ongoing siege at Apamea—upon learning of the defeat and Ventidius's rapid advance, retreating eastward across the Euphrates with his cavalry forces. This withdrawal enabled Ventidius to swiftly reoccupy key Syrian cities like Antioch and Laodicea without additional pitched battles, temporarily neutralizing the Parthian incursion into Roman Anatolia and the Levant.[2][17] Triumviral sources, reflecting the Second Triumvirate's perspective, depicted Labienus's alliance with Parthia as perfidious treason against Rome, justifying his summary execution as retribution for betraying the res publica to foreign invaders. Republican-leaning accounts, however, framed his death as the martyrdom of a steadfast opponent to Antony's and Octavian's authoritarian regime, underscoring his role in prolonging the civil war through unconventional means.[2]Legacy and Historical Assessment
Numismatic Evidence and Self-Presentation
Quintus Labienus issued a limited series of aurei and denarii during his command in the Roman East from 40 to 39 BC, serving as primary numismatic evidence of his self-proclaimed authority amid the Parthian alliance.[2] These coins, struck in both gold and silver, feature his portrait on the obverse with the inscription Q·LABIENVS·PARTHICVS·IMP, denoting his assumption of the title imperator and the honorific Parthicus, likely referencing his role in facilitating Parthian successes against Roman forces rather than direct conquests.[18] The reverse typically depicts a saddled Parthian horse standing right, equipped with a bridle, bow-case, and quiver, symbolizing his alignment with Parthian military prowess while maintaining Roman minting standards.[19] The use of Labienus's laureate portrait marked a continuation of the Caesarian innovation in Republican coinage, presenting him as a living commander worthy of personal veneration and legitimizing his irregular command over defected legions.[20] This self-presentation evoked the imperium of earlier Republican generals like Pompey, positioning Labienus as a defender of senatorial liberty against the triumviral regime, despite his reliance on foreign Parthian support.[2] The coins' donative purpose—to reward and retain loyalty among Roman troops captured or swayed during the invasion—underscored their propagandistic function, blending Roman imperial ambition with Eastern alliance imagery to assert continuity of the Pompeian cause.[21] Numismatic studies debate the precise mint location, with evidence pointing to mobile production in Syria or southeastern Asia Minor accompanying Labienus's campaigns, possibly at Antioch under temporary occupation, though no fixed die-links confirm a single site.[22] Authenticity concerns arise for some specimens, as fourrée (plated) denarii exist, but genuine issues are verified through high-grade examples certified by firms like NGC, with only about six aurei known worldwide, attesting to their scarcity and historical contingency.[23] These artifacts thus reveal Labienus's ideological framing of his rule as a legitimate extension of Republican imperator tradition, even as the Parthian horse reverse acknowledged the hybrid nature of his power base.[24]Roman Historiographical Views
In the surviving Roman historiographical tradition, Quintus Labienus is predominantly depicted as a treacherous figure who betrayed Roman interests by collaborating with the Parthian monarchy, a portrayal shaped by the pro-imperial perspectives of later authors. Cassius Dio, writing in the early third century AD but drawing on Augustan-era sources, describes Labienus as exploiting his dispatch from Cassius to Orodes II to ingratiate himself with the Parthians, subsequently executing the Roman governor of Syria, Publius Ventidius Saxa (no, Saxa was killed by Parthians under Labienus' influence), and coercing cities through threats of Parthian reprisals, thereby overrunning Roman provinces up to the Hellespont.[15] Dio emphasizes Labienus' assumption of the imperatorial title and his dissemination of propaganda letters to Rome denigrating the triumvirs while extolling Brutus and Cassius, framing these acts as perfidious opportunism rather than principled resistance.[15] This narrative aligns with Dio's broader emphasis on the restoration of Roman order under Octavian, casting Labienus' alliance as an aberrant alignment with "barbarians" that endangered the res publica. Appian, composing in the second century AD, similarly subordinates Labienus' role to the Parthian incursion, portraying him as a subordinate enabler of foreign invasion who facilitated the capture of Syrian territories but ultimately failed due to Roman countermeasures, without crediting him independent agency or legitimacy. Such accounts reflect systemic biases in imperial historiography, where authors favored narratives reinforcing the triumviral victory at Philippi and the subsequent consolidation of power, marginalizing Pompeian remnants as disloyal outliers. These sources, preserved through Augustan and later editorial lenses, prioritize moral condemnation of factional defiance over analysis of Labienus' strategic calculations, such as leveraging Parthian military superiority to sustain the republican cause post-42 BC. Fragmentary evidence from Republican-leaning contemporaries, including lost works by historians like Asinius Pollio who sympathized with Caesar's assassins, likely offered contrasting views emphasizing Labienus' continuity of the senatorial mandate against triumviral autocracy. Labienus' self-presentation—via coins bearing his name and titles like Parthicus and imperatorial salutations—asserted his status as a legitimate Roman commander defending the traditional constitution, a claim echoed in his propaganda but absent from surviving pro-triumviral texts.[1] This divergence underscores how historiographical selection under the empire suppressed sympathetic accounts, favoring causal explanations rooted in Roman unity over the internal dynamics of civil strife.Strategic and Political Significance
The Parthian invasion of 40–39 BC, facilitated by Labienus's leadership and intelligence on Roman vulnerabilities, temporarily disrupted Mark Antony's control over eastern provinces, including the loss of Syria and parts of Asia Minor to Parthian forces, thereby straining triumviral resources amid concurrent challenges like Sextus Pompeius's naval blockade in the West.[25] This incursion compelled Antony to delegate counteroffensives to Publius Ventidius Bassus, whose victories at the Cilician Gates and Mount Gindarus in 39–38 BC expelled the invaders and restored provincial stability, ultimately bolstering Antony's military prestige through Ventidius's triumph in Rome while accelerating the triumvirs' consolidation of power against residual republican holdouts by underscoring the perils of eastern disarray.[25][1] Labienus's collaboration exemplified the tactical advantages of foreign alliances in Roman internal conflicts—disrupting supply lines and garrison loyalties through his insider knowledge—but revealed inherent limitations, as Parthian mounted warfare proved ill-suited for sustained occupation against Roman legions, and his defection branded surviving Pompeians with irreversible treason, eroding potential domestic support and unifying triumviral factions against external-aided threats.[1][26] The campaign's failure, marked by the death of Parthian crown prince Pacorus and Labienus's execution, deterred further Parthian opportunism in Roman civil wars, exposing the asymmetry in power projection: while Parthians could raid effectively, they lacked the infantry and administrative capacity to hold Hellenistic territories long-term.[25] In broader Roman-Parthian dynamics, the episode checked Parthian expansionist ambitions post-Carrhae by inflicting irreplaceable losses, paving the way for Augustus's diplomatic recovery of Crassus's standards in 20 BC without major conflict, as Orodes II's successors prioritized internal consolidation over renewed invasions.[25] For the late Republic, it hastened the shift toward centralized imperial defenses, as the triumvirs' successful repulsion reinforced the causal link between civil discord and foreign incursions, compelling a unified Roman posture that prefigured Augustan reforms in provincial governance and frontier security.[26]References
- https://en.wikisource.org/wiki/A_Political_History_of_Parthia/Chapter_5