Pergamon: History, Government and Society under the Attalids

Pergamon was both the capital of the Attalid kingdom and the centre of a state that expanded across western Asia Minor during the Hellenistic period. The kingdom took shape around 282 BCE, when Philetaerus secured control of Pergamon and its surroundings, and ended as a monarchy after Attalus III bequeathed his realm to Rome in 133 BCE. Roman forces defeated the resistance led by Aristonicus in 129 BCE, after which Rome organized much of the former kingdom as the province of Asia.

The Attalid state was not simply a larger version of its capital. It brought together Greek cities, inland communities, sanctuaries and military settlements across a varied region. Its rulers relied on royal officials and soldiers, but also worked through local civic institutions and built relationships with cities and religious centres. Pergamon’s own growth, especially in the second century BCE, made these connections visible in its markets, houses, sanctuaries and public buildings.

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From a fortified city to a regional kingdom

Pergamon stood in the Caicus valley in northwestern Asia Minor. The city occupied a steep hill above the surrounding plain, while the coastal settlement of Elaia served as its port. This inland setting connected the capital to agricultural territory and to routes leading towards the Aegean. Before the Attalids, Pergamon had been part of the lands controlled by Lysimachus, one of Alexander the Great’s successors. Philetaerus served Lysimachus as the keeper of the city’s fortress and a large royal treasury.

Philetaerus broke with Lysimachus around 282 BCE and retained Pergamon as Lysimachus’s power collapsed. He acknowledged the authority of the Seleucid rulers in name, but exercised substantial independence. His successor and adopted son, Eumenes I, defeated the Seleucid king Antiochus I near Sardis in 261 BCE. Pergamon then acted as an independent state, extending its control beyond the capital and establishing fortified settlements in the surrounding region.

Attalus I, who succeeded Eumenes I in 241 BCE, strengthened the kingdom’s position through military victories, including a major victory over the Galatians of Asia Minor. He adopted the royal title basileus, or king, and the honorific name Soter, meaning “Savior.” The borders of his expanding state remained contested, and some conquests were later lost and recovered amid conflict with the Seleucids. Attalus also established an alliance with Rome, which became an important feature of Attalid foreign policy.

The kingdom expanded greatly under Eumenes II after the Treaty of Apamea in 188 BCE. Rome’s victory over Antiochus III led to extensive former Seleucid territories being assigned to Pergamon. The enlarged realm needed soldiers, supplies and regional officers as well as cooperation from its cities. Rhodes received a separate southwestern settlement; Caria and Lycia were later freed from Rhodian rule, rather than simply added to the Attalid kingdom.

Attalus III left no heir and bequeathed the kingdom to Rome in 133 BCE. Aristonicus, who claimed royal descent and took the name Eumenes III, challenged the transfer. His uprising drew support in parts of the former kingdom, and Rome had to send more than one force to defeat it. The settlement of 129 BCE ended the remaining resistance and established Roman rule over much of the Attalid territory. The transition involved a Roman reorganization of the region, rather than the uninterrupted continuation of the kingdom under a new ruler.

A monarchy governing cities and districts

Attalid government concentrated authority in the king. Kings commanded the army, directed diplomacy, appointed senior officials and could issue decisions applying across the realm. The royal administration also controlled important financial decisions, including the granting of tax privileges to cities and other communities. Greek was the language of official administration.

Royal authority operated alongside the civic institutions of the cities. Greek communities retained assemblies and local offices, and their decrees addressed matters within their own jurisdictions. Their autonomy did not mean freedom from the king’s demands: cities could owe payments and other obligations, while royal officials supervised regional affairs. At Pergamon, Eumenes I appointed the city’s senior officials, the strategoi, rather than leaving their selection to the assembly. A strategos was an official whose responsibilities could include military and administrative duties.

As the kingdom expanded after 188 BCE, appointed strategoi also governed larger territorial districts. This helped the court administer lands too extensive to manage from the capital alone. The surviving evidence points to a system that combined royal oversight with local civic administration, rather than one uniform bureaucracy imposed on every community.

Military power supported that system. The army included professional mercenaries, military settlers, and forces drawn from cities and local populations. Military settlements placed soldiers in parts of the territory while giving them a role in its defence. The kings sometimes commanded campaigns themselves, and garrisons secured strategic positions. The mix of troops and local arrangements changed as the kingdom’s territory and military needs changed.

Resources, labour and exchange

The kingdom drew wealth from farming, animal husbandry, craft production and trade. The region’s resources included fertile agricultural land, timber, stone, ores, clay, wool and hides. Communities produced grain, wine and olive oil, while herding supported the raising of sheep and horses. These resources supplied local needs and fed the royal economy, though the balance of production and taxation varied across the kingdom.

Royal income included payments from cities and rural communities, port and commercial charges and returns from land under royal control. Local officers could help distribute a community’s assessment and collect what was owed. Payments in goods required storage and transport; payments in money required an accepted currency and accounting. Tax exemptions gave the king a practical means of supporting or rewarding a community.

Craft production transformed clay, stone, hides and fibres into objects used in homes and public institutions. Pergamon’s mould-made relief bowls illustrate skilled pottery manufacture: a decorated mould allowed a raised pattern to be repeated on several vessels. Parchment production supplied writing material made from prepared animal skin. Both crafts connected materials with practical knowledge and exchange.

Trade linked inland production to ports and regional markets. Elaia was Pergamon’s main port, connecting the capital and its hinterland to maritime exchange. Grain, olive oil, timber, pottery, textiles, hides and other products moved through the kingdom’s trading networks. Markets within cities provided places for exchange, while port charges and other duties contributed to royal revenues.

Communities and civic life

The kingdom’s population was diverse. Greek communities were prominent in many western coastal cities, while people of different local Anatolian backgrounds lived across the region, especially in rural districts. Macedonians and Galatians were also present. Greek became the language of administration and civic life in many places, but the spread of Greek customs did not mean that local languages and traditions disappeared.

Each city had its own civic community and local practices, but relationships with the king could shape its finances, security and public life. Philetaerus’s support for Cyzicus illustrates how royal generosity could serve both practical and political purposes. He provided money and grain, helped with frontier defence, and granted tax concessions. Such aid strengthened a neighbouring city while building goodwill towards the ruler. Philetaerus also supplied weapons to the citizens of Cyme when they asked for help equipping their civic force.

Sanctuaries were another point of contact between royal power and local communities. Kings donated land or money, supported religious buildings and festivals, and sought recognition from influential Greek sanctuaries beyond their borders. These gifts could reinforce alliances and present the dynasty as a benefactor. Religious life combined widely shared Greek worship with cults rooted in Anatolian traditions, rather than following a single pattern throughout the kingdom.

Pergamon’s urban life and royal patronage

The capital’s physical growth reflected the kingdom’s changing power. Because Pergamon rose on a steep hill, builders cut terraces into the slopes and adapted streets to the terrain. Under the Attalids, the city extended beyond its earlier fortified area. A new wall enclosed a larger urban district, while public buildings, markets and houses occupied the available slopes and terraces.

Markets formed part of everyday urban life. Pergamon’s lower agora, or marketplace, was arranged on several levels to suit the slope. Colonnaded halls enclosed spaces that included small shops and other rooms. The upper market also combined commercial activity with public display. Streets linked these areas to the city’s neighbourhoods, although steep gradients meant that routes could bend sharply rather than follow a regular grid.

Many Hellenistic houses in Pergamon were organized around a small, roughly square courtyard, with rooms on one or more sides. Some houses had upper floors, and stairways survive as evidence of that arrangement. Cisterns in courtyards collected rainwater from roofs. The houses varied in size and layout, since both the terrain and earlier construction limited how closely the plans could follow a common design. These remains offer evidence of domestic arrangements alongside the more prominent royal and civic buildings.

Attalid patronage also reached beyond the capital. A gift for teachers at Delphi was invested through secured loans so that interest could support continuing salaries. In Pergamon, Eumenes II’s buildings around Athena’s sanctuary and the Great Altar required extensive skilled work. Patronage joined the display of royal generosity with institutions and services that communities used.

Art and myth helped express the dynasty’s claims to rule. The altar’s sculpted imagery included a battle between the Olympian gods and the Giants, a subject that could evoke the Attalids’ victories over their enemies. A second frieze depicted Telephus, a legendary figure whom the dynasty connected to Pergamon and claimed as an ancestor. Such associations placed the royal family within Greek mythic traditions and linked its authority to the history it promoted for the city.

Athena had a prominent place in Pergamon. In 182 BCE, the Nikephoria games received international recognition, joining sacrifices with musical, athletic and horse-racing contests. Delegates announced the festival, host cities received them and victors gained honours. At Demeter’s sanctuary, a dedication by Philetaerus and his brother Eumenes honoured their mother Boa. Royal giving operated through organised events as well as permanent buildings.

For the wider setting, see Kingdom of Pergamon.