In AD 270, troops commanded on behalf of Zenobia, ruler of the Syrian city of Palmyra, seized Egypt, one of the Roman Empire’s wealthiest provinces. Palmyrene power soon spread across much of Rome’s eastern territory. The surprise lay in Palmyra’s position within the empire: it was a Roman city, and Zenobia’s family had recently helped Roman forces defend the eastern frontier against Persia. By 272, coins bearing Zenobia and her son Vaballathus claimed imperial titles. Emperor Aurelian answered by marching east to bring their provinces back under his control.
The crisis began before Zenobia became ruler. In 260, Shapur I, king of the Sasanian Persian Empire, captured the Roman emperor Valerian during an eastern campaign. Roman armies still held positions in the region, but rival claimants to the throne and attacks elsewhere weakened the emperor’s ability to direct them. Odaenathus, a leading aristocrat from Palmyra, helped recover Rome’s position in the East. After his death, his widow Zenobia and their young son inherited a powerful network of provincial officials, military commanders and influential allies. Defending that inheritance, and then enlarging it, brought them into conflict with Aurelian.
The name Palmyrene Empire suggests an immediate rupture between independent states. Its development was gradual. Some coins displayed Aurelian alongside Vaballathus, while documents from Egypt counted the regnal years of both men. Zenobia’s government continued to use Roman offices and symbols even as its armies occupied provinces nominally belonging to the emperor. Coins, inscriptions and histories written after the events show how the balance of authority changed. They cannot establish precisely when Zenobia concluded that an arrangement with Rome was no longer possible.
Palmyra Was a Roman City with Its Own Wealth and Institutions
Palmyra, known in its local Semitic language as Tadmor, occupied an oasis in the Syrian steppe between the Mediterranean and the Euphrates. Caravan merchants could cross this interior region between Roman Syria and commercial centres in Mesopotamia and the Persian Gulf instead of travelling around the desert. Palmyrene organizers arranged guides, water supplies, negotiated passage and armed protection. They also maintained merchant communities far from their home city. These commercial connections enriched Palmyra. Its routes belonged to the much wider exchange system described in the history of ancient trade routes linking Asia and the Mediterranean.
Inscribed evidence gives this trade a practical dimension. A stone tariff erected in the city’s agora in AD 137 listed charges on goods and services in Greek and Palmyrene Aramaic. The Getty Research Institute explains how it distinguished goods carried by camels, donkeys and carts. Other inscriptions honoured people who funded caravans or ensured their safety. They show merchants, carriers and civic authorities organizing the city’s trade. Some tariff entries concern local activities, and nothing in them demonstrates that Palmyra controlled all commerce between India and Rome. They show a city capable of organizing profitable long-distance connections while regulating trade closer to home.
The city was also fully involved in Roman provincial government. Its prominent families held Roman citizenship and public offices, while decisions were recorded in Greek and Aramaic. Palmyra gained the legal status of a Roman colony, so calling the third-century city a separate ‘client state’ is misleading. Local religious life remained distinctive. Worshippers honoured Bel, Baalshamin and Yarhibol alongside religious influences circulating across the empire. Temples, colonnaded streets and richly decorated tombs reflect the prosperity of people whose architecture and art combined local and Mediterranean practices.
The funerary portraits left by those families are especially informative. Limestone busts closed the burial niches of family tombs, often recording the deceased person’s name and relatives. A second-century Palmyrene relief in the Metropolitan Museum of Art identifies ‘Alayyat as the daughter of Zabdibol and depicts her elaborate clothing and jewellery. These portraits tell us about family commemoration and how individuals wished to appear. They tell us nothing directly about Zenobia’s court. They also document Palmyra’s artistic life long before its brief command of an eastern empire.
How Odaenathus Became the Strongest Roman Commander in the East
Palmyra’s rise to military power began with Rome’s wars against Persia. The Sasanians had replaced the Parthian dynasty in the third century and proved a dangerous adversary. Shapur I attacked Syria and Mesopotamia, then captured Valerian in 260, humiliating the imperial government. Yet Roman garrisons remained in the East, and the Persians had not permanently conquered the whole region. Emperor Gallienus was dealing with several military emergencies at once. Odaenathus, a Palmyrene magnate who already possessed Roman standing and connections, offered the leadership those eastern forces needed.
His armies combined Palmyrene contingents with Roman soldiers. Zosimus, in New History 1.39, attributes to Odaenathus the recovery of Nisibis and a campaign reaching the approaches to Ctesiphon, the Sasanian royal capital. Zosimus wrote centuries later and compressed the chronology of the campaigns, so his details cannot all be treated as contemporary reporting. Other evidence nevertheless supports Odaenathus’s commanding military position and a setback for Persian influence west of the Euphrates. He did not capture Ctesiphon, nor did his victories eliminate Sasanian power throughout Mesopotamia.
Odaenathus accumulated exceptional political authority as well. Alongside Roman honours connected with command in the East, he adopted the title ‘king of kings’, deliberately echoing the language of Sasanian monarchy. The French Ministry of Culture’s archaeological account stresses that he still operated within the Roman imperial system and that Palmyra remained a colony. Later writers sometimes present him as if he had already founded an independent empire. During his lifetime, his regional command served Rome’s immediate military needs, even though its scale posed a problem for any emperor hoping to recover direct control.
That system of personal authority was shaken when Odaenathus and his older son Hairan, called Herodianus in some accounts, were murdered in 267 or 268. Ancient stories point variously to a relative and to Zenobia, but they provide no dependable answer about the killers or their motives. The effects of the murders are clearer. Odaenathus had tied provincial armies and officials together through his victories and personal prestige. His surviving son Vaballathus was still a child. Zenobia was left to maintain a coalition that had previously depended on an experienced and successful commander.
Zenobia Rules for Vaballathus
Zenobia is also named Bathzabbai in Palmyrene records. As guardian or regent for Vaballathus, she governed on behalf of a boy who inherited the title ‘king of kings’ and several Roman military honours. Documents tell us more about his formal position than about the daily workings of her administration. Later writers portrayed Zenobia as unusually learned, courageous and disciplined, beautiful, multilingual and comfortable directing soldiers. Their descriptions may reflect aspects of her reputation, but they were written within literary traditions fascinated by women who exercised power ordinarily reserved for emperors and kings.
A bilingual milestone found on the road from Palmyra to Emesa offers more secure information. Dated approximately 268 to 270, its Palmyrene text calls Septimia Bathzabbai queen and mother of the king of kings, and identifies Antiochus as her father. The French Ministry of Education’s discussion of the inscription provides firmer evidence for her name and family than the later biographies. The stone says nothing about the exact year of her birth, her appearance or how many languages she spoke. Many of the details that shape the familiar portrait of Zenobia come instead from authors writing long after her reign.
One such source, the Historia Augusta, says that Zenobia claimed descent from Cleopatra and the Ptolemaic royal family of Egypt. The collection also invents or embellishes speeches and letters, so its account of her ancestry cannot be verified. Cleopatra was an obvious model for Roman writers trying to explain an eastern queen who challenged an emperor, whether or not Zenobia invoked her. Cassius Longinus, a philosopher, appears among the people associated with her court in later accounts. His association with her court cannot establish the existence of a royal academy or prove that she copied every feature of Cleopatra’s government.
Zenobia’s first task was to secure Vaballathus’s inherited command. His father’s victories had made that authority tolerable to Roman emperors, who valued Palmyrene assistance against Persia. A permanent hereditary command over several Roman provinces was another matter. Zenobia needed to keep the confidence of her city’s elites, serving Roman officers and provincial communities with different interests. Presenting her son’s position in familiar Roman terms helped keep that coalition functioning as the territory under its control grew. As her territory expanded, Rome and Palmyra could no longer avoid the question of who controlled the eastern armies and collected provincial revenues.
The Conquest of Egypt in AD 270
Egypt offered resources unavailable to Palmyra’s oasis economy. Its Nile fields supplied grain, Alexandria was a major Mediterranean metropolis, and the province generated revenues and controlled transport routes of imperial importance. Taking it would strengthen Zenobia’s military and political position. The wider importance of Egyptian grain to Roman government is explained in the account of the annona and Rome’s grain distributions. Even so, there is no solid evidence that Zenobia imposed a deliberate blockade of grain shipments to Rome. Threats to Rome’s grain supply do not establish an intentional policy of starving the city.
Around 270, the Palmyrene commander Zabdas entered Egypt with assistance from an Egyptian figure named Timagenes. Zosimus describes an invasion, the defeat of resistance and the establishment of a garrison, followed by a Roman attempt to retake the province under Probus. In his narrative, Probus regained territory but was caught by surprise and killed. His army figures run into the tens of thousands, but they cannot be treated as measured troop strengths. Egypt changed hands through fighting that involved local participants as well as the two rival military leaderships; it was never simply handed over without resistance.
Documents from the province confirm the occupation more directly than the later battle narrative. Alexandrian coin issues and papyri dated under the new authorities show that Vaballathus’s position was recognized there while Roman imperial institutions continued operating. Palmyrene rule required officials to collect taxes, a mint to strike currency and administrators to keep ordinary business moving. The evidence does not show that all Egyptians welcomed the change or that every official lost office. New rulers instead took charge of an extensive provincial administration that kept much of its established work going.
For Aurelian, the new arrangement posed a serious threat. A Palmyrene-led army had defeated imperial opponents and now occupied a province essential to Mediterranean commerce and Rome’s finances. Aurelian became emperor in 270, but threats closer to Italy and along the Danube demanded his attention first. His delay in confronting Zenobia reflects those competing military priorities; it does not show that he approved of her conquest. The respite allowed her government to consolidate its control and advance elsewhere before the emperor could act.
Palmyrene Armies Advance Through Syria, Arabia and Anatolia
The advance reached beyond Egypt. Zenobia’s commanders established or claimed authority in Syria, Arabia and parts of Anatolia, the peninsula encompassing most of modern Turkey. Routes through Anatolia connected important cities with the eastern Mediterranean and territories farther inland. Yet the geographical extent of an army’s advance should not be mistaken for a securely administered frontier. Some communities submitted, others resisted, and control of northern areas appears to have been especially uncertain. Modern maps may draw precise borders, but the ancient narratives leave their actual extent uncertain.
Zosimus says in New History 1.50 that Palmyrene authority extended to Ancyra, now Ankara, while cities farther west resisted after hearing that Aurelian had taken power. The account suggests how far Zenobia’s armies advanced. Its explanation of what townspeople thought, however, has no independent confirmation. It cannot establish that Anatolia as a whole favoured Zenobia or that Palmyra collected exactly one-third of Rome’s taxes or ruled one-third of its land. Figures of that kind imply a degree of territorial and financial knowledge the surviving evidence does not provide.
The fighting involved armies drawn from different peoples and military traditions. Palmyra’s forces were famous for cavalry, including heavily armoured horsemen, and desert routes gave its leaders access to capable mounted troops. Yet Zenobia also commanded soldiers from Roman provincial units, local recruits and allied communities. Zosimus’s list of the troops on Aurelian’s side is similarly varied. Many of the soldiers fighting on both sides belonged to the political and military world of Rome’s eastern provinces. The two armies were therefore far less distinct in origin than a simple division between Syrians and Romans would suggest.
The Coins That Show a Break with Aurelian
Coins offer one of the clearest records of the shift in authority. Early issues produced in areas under Palmyrene control showed the emperor Aurelian together with Vaballathus. Aurelian carried the senior imperial title Augustus, while Vaballathus bore honours identifying him as a prominent ruler and military leader. Their portraits did not imply equality between the two. Instead, the arrangement acknowledged Aurelian’s legitimacy while giving Vaballathus a public place within the imperial hierarchy. For people using the currency, these titles and faces communicated authority without requiring any statement from Zenobia herself.
The titles on later coins show the arrangement breaking down. Later coins identified Vaballathus as Augustus and Zenobia as Augusta, titles reserved for an emperor and an empress. The Metropolitan Museum of Art’s The World between Empires discusses Alexandrian issues bearing Zenobia’s portrait and imperial designation, including a tetradrachm dated to 272. It also examines the earlier coinage that recognized Aurelian. Because mints did not all change their inscriptions simultaneously, scholars disagree about when the new titles first appeared. The evidence supports an escalation from coexistence toward an unmistakable imperial claim, without providing a single indisputable date for a declaration of independence.
One surviving coin makes the claim tangible. A digitized Alexandrian issue bearing Zenobia’s name and the Greek title Sebaste shows her wearing a diadem, with Hope depicted on the reverse and a date tied to Vaballathus’s regnal years. This was an official public assertion of rank, rather than a story invented by a later historian. Jacqueline Long’s peer-reviewed study of Vaballathus and Zenobia nevertheless cautions against treating the original expansion as necessarily planned rebellion. The coins tell us what titles the regime used at different moments; they cannot reveal Zenobia’s intentions at the beginning of her rule.
Roman titles made political claims that officials and soldiers throughout Egypt, Syria and Anatolia could recognize. When Zenobia and her son assumed imperial rank, they asserted authority in provinces Aurelian considered his to govern. Their continued use of Roman images is equally revealing. A government seeking a place within the Roman imperial order could use its conventions while challenging the emperor’s monopoly on power. Zenobia might initially have sought partnership, a recognized eastern command or a wider imperial position as opportunities changed. The available evidence does not allow us to choose confidently among those motives.
Government, Trade and Religion Under Zenobia
Once the armies had occupied a province, Zenobia’s officers still had to govern it. Egypt, Syria and the other provinces had councils, established taxation systems and garrisons whose cooperation had to be secured. Egyptian papyri and coin production reveal continuity in many everyday procedures despite the change of rulers. Elsewhere the Palmyrene government worked through city elites and provincial officeholders. No complete roster of Zenobia’s governors survives, and neither an empire-wide tax code nor a uniform programme of legal reforms can securely be attributed to her. The record is clearest where documents and coins happen to have survived.
Palmyra’s elite already operated in more than one language. The Getty’s account of its inscriptions describes thousands of Palmyrene Aramaic texts, many of them associated with Greek inscriptions and a smaller number with Latin. These records commemorate family members, religious gifts, caravans and civic benefactors. Greek was used extensively across the eastern Roman provinces; Aramaic remained closely tied to Palmyrene society. That experience helped local leaders conduct business beyond their oasis. It does not establish claims that Zenobia herself spoke four specific languages or that her government communicated equally with every subject community.
Religious loyalties differed across the occupied provinces as well. Palmyra’s inhabitants worshipped local deities in temples shaped by their own traditions while also encountering Greek and Roman cults. Jewish and Christian communities lived throughout the wider provinces now controlled by the Palmyrene authorities. Later stories link Zenobia to particular religious leaders, but documentation of a formal programme of religious toleration is thin. The army cannot be assumed to have shared a single religious allegiance either. Religion influenced public identity and expressions of rulership, though the records do not disclose any coherent empire-wide religious policy issued from Zenobia’s court.
The campaigns put pressure on the trade networks that supported Palmyra. Merchants needed safe roads, access to markets in Mesopotamia and stable relations with frontier officials. The forces occupying Egypt and Anatolia demanded provisions, pay and transport, all of which drew on commercial and administrative networks. The suggestion that Zenobia maintained an effective alliance with Persia is poorly supported. Odaenathus had fought the Sasanians, and the clearest report of a request for Persian assistance comes when Aurelian was already besieging Palmyra. That late appeal cannot simply be projected back across her whole reign.
Aurelian Retakes the East in AD 272
By 272, Aurelian had sufficient freedom of action to campaign against the eastern regime. An experienced soldier who had taken power amid repeated emergencies, he advanced through Anatolia toward Syria. Towns along the route responded differently: some submitted, while others resisted. Zosimus reports the return of Ancyra and Tyana to Roman control. Capturing or persuading cities mattered because the Roman army depended on local roads, supplies and cooperation. The ancient history also credits Aurelian with recalling people who had fled because they had supported Zenobia. Such a policy could weaken opposition while avoiding the delay of repeated sieges.
The two armies met near Antioch at Immae. According to the later narrative, Aurelian’s cavalry withdrew before Palmyrene horsemen whose heavy armour made a prolonged pursuit exhausting. Once their formation became vulnerable, Roman forces turned and defeated them. The later account does not preserve a command-by-command record of the battle. Writers described its tactics long afterward, and neither exact troop totals nor casualty counts can be confirmed. The account is consistent with cavalry being important to both armies, but the evidence for individual decisions is much less secure than the result.
After Immae, Zabdas needed to prevent the defeat from becoming a political collapse in Antioch. In Zosimus 1.51, he displayed a man made to look like the captured Aurelian, hoping inhabitants would believe the Palmyrene army had won. His troops slipped out at night and withdrew south toward Emesa, today’s Homs. No independent source confirms the impersonation, but the story shows why defeat threatened a regime dependent on the cooperation of provincial cities. If those communities lost faith in Zenobia’s ability to defend them, they had reason to transfer their allegiance to Aurelian.
Near Emesa the armies fought again. Zosimus 1.53 describes Palmyrene cavalry pushing back the Roman horsemen before Aurelian’s infantry attacked the disordered pursuers. He singles out soldiers from Palestine using clubs against armoured cavalrymen. This is Zosimus’s later report, not an eyewitness account that can be checked point by point. The second defeat itself is clear. It ended Zenobia’s ability to protect the Syrian cities in the field, and she withdrew with her advisers to Palmyra, the centre of her family’s power.
The Siege of Palmyra and Zenobia’s Capture
Palmyra’s oasis location posed difficulties to besiegers and defenders alike. Aurelian had to supply an army across the steppe; the inhabitants needed food and hoped for assistance from outside. Zosimus 1.54 describes a siege in which Palmyrenes believed the Romans would eventually abandon the effort. He also refers to fortifications, but the French archaeological account points out that the city had not yet acquired its later continuous circuit of walls. His language cannot simply be mapped onto the remains of those later ramparts. Reconstructing the siege therefore requires attention to the city’s earlier layout, rather than assuming the later walls stood there.
As Roman pressure continued, Zenobia’s remaining hope may have been assistance from the Sasanians east of the Euphrates. Zosimus 1.55 describes her fleeing the city on a camel and being caught by Roman cavalry as she tried to cross the river. Its dramatic particulars come from a much later writer and cannot be independently substantiated. Zenobia was captured, and Palmyrene resistance collapsed. Her earlier conquests had rested on alliances, garrisons and victorious armies across many provinces. Once those armies were defeated, the city at the centre of the network could not hold the eastern empire together.
Aurelian did not immediately carry out the total destruction sometimes associated with Palmyra’s fall. In Zosimus 1.56, the inhabitants requested mercy and he accepted their surrender. The historian also describes the punishment of advisers who had served Zenobia, among them Longinus, who was executed. We cannot independently recover what was said at their hearings or how accurately the narrative distributes responsibility. The emperor could dismantle the ruling circle while keeping the institutions needed to govern the region. Palmyra’s imperial ambitions had ended, although its history under Rome continued.
The Revolt of AD 273 and What Happened to the City
The following year brought another revolt. In 273, after Aurelian had set out westward, rebels allegedly approached a Roman official named Marcellinus. Zosimus 1.60 says that he delayed his reply and informed Aurelian, prompting the conspirators to raise Antiochus to imperial status. The source does not establish how Antiochus was related, if at all, to Zenobia’s family. Aurelian returned and crushed the uprising, imposing much harsher consequences on Palmyra. Palmyra’s defeat thus unfolded in two stages, beginning with the conquest in 272 and followed by the suppression of another revolt.
Zosimus 1.61 portrays Palmyra as razed after this renewed resistance. The archaeology does not support destruction on that scale. The French Ministry of Culture documents partial plundering, later Roman garrisons and the absence of a continuous destruction layer showing the entire city burned in 273. Streets and buildings remained in use, and the army’s presence grew in subsequent periods. Palmyra suffered heavily, but the emperor’s punishment did not wipe every temple, home and public institution from the site.
The city never fully regained its earlier wealth and influence as a caravan centre, yet people continued living there and Roman authorities maintained its strategic frontier role. Fortifications, garrisons, churches and other buildings belong to the centuries that followed. Emanuele E. Intagliata’s Palmyra after Zenobia, AD 273–750, discussed in Antiquity, draws on archaeology and written sources to trace this later life. The urgency of recording Palmyra’s surviving monuments after modern destruction is also addressed in the account of digital reconstruction of Palmyra. Aurelian ended Palmyra’s imperial ambitions, but he did not bring the city’s history to an end.
The funerary reliefs shown here come from an earlier period. Their inscriptions and clothing document families who commissioned monuments long before Zenobia’s campaigns. They help readers understand the wealth and traditions of a city that would later lose political power. They cannot tell us how the siege unfolded or what became of its rulers. The practice of sealing burial chambers with carved portraits gave those families a lasting visible presence in the city’s tombs.
What Happened to Zenobia?
The fate of Zenobia after her capture remains disputed. The Historia Augusta says she appeared in Aurelian’s triumphal procession in Rome, adorned with jewellery and heavy gold chains, before being given an estate near Tibur, now Tivoli. The author is notorious for invented letters, speeches and embellished episodes, so neither the costume nor the later retirement can be accepted on that authority alone. Other ancient traditions also place her among Aurelian’s captives, making an appearance in the triumph plausible. They cannot confirm her precise treatment there or the details of her subsequent life.
An incompatible account appears in New History 1.59. Zosimus says that Zenobia died while being taken west, perhaps from illness or because she refused food. Both the stories of her survival and of her death were recorded well after the conquest, leaving the conflict unresolved. Whatever happened to Zenobia personally, Aurelian’s triumph celebrated the restoration of eastern provinces to imperial control. Later Roman and European authors turned the captive ruler into contrasting literary figures, admiring her intelligence and courage in some works and presenting her ambition as a warning in others.
Coins and inscriptions tell us more securely what Zenobia and Vaballathus accomplished than the conflicting stories of her death. With Palmyrene and Roman soldiers, established provincial administrations and the public language of imperial office, they claimed power across the eastern empire. This challenge arose from a family that had defended Rome’s frontier only a few years earlier. Odaenathus’s victories, the joint coinage recognizing Aurelian and the later assumption of imperial titles trace the change from useful regional command to rival imperial authority. Aurelian’s reconquest ended that experiment and restored an emperor’s exclusive claim to rule those provinces.
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