# Ten Thousand > ancient Arcadian League deliberative body **Wikidata**: [Q135476781](https://www.wikidata.org/wiki/Q135476781) **Source**: https://4ort.xyz/entity/ten-thousand ## Summary The Ten Thousand (also known as the "ten thousand Arcadians") was an ancient deliberative assembly that served as the governing body of the Arcadian League. Meeting in the Thersilion bouleuterion at Megalopolis during the 4th century BC, it functioned as the primary decision-making institution for the Arcadian jurisdiction, operating through structured parliamentary procedure characteristic of deliberative assemblies in ancient Greek democratic governance. ## Key Facts - **Instance of**: Assembly (deliberative assembly) - **Alternative name**: ten thousand Arcadians - **Country**: Arcadian League - **Jurisdiction**: Arcadia - **Headquarters**: Megalopolis - **Meeting location**: Thersilion bouleuterion, Megalopolis - **Time period**: 4th century BC - **Topostext person ID**: 24236 - **Organizational type**: Subclass of organization, categorized as a deliberative assembly - **Leadership structure**: Presided over by a chairperson (characteristic of deliberative assemblies) - **Procedural framework**: Operated using parliamentary procedure for structured deliberation and collective decision-making - **Governance model**: Component of deliberative democracy as practiced in ancient Greece ## FAQs **What was the Ten Thousand in ancient Greece?** The Ten Thousand was the deliberative body of the Arcadian League, a confederation of Arcadian city-states. It functioned as a formal assembly where representatives gathered to debate and make collective decisions affecting the Arcadian jurisdiction. **Where did the Ten Thousand meet?** The assembly convened in the Thersilion bouleuterion, a dedicated council house located in Megalopolis, which served as the headquarters of the Arcadian League. Megalopolis was founded specifically as the federal capital of the league. **When was the Ten Thousand active?** The deliberative body operated during the 4th century BC, a period of significant political consolidation in the Peloponnese following the decline of Spartan hegemony. **How did the Ten Thousand make decisions?** As a deliberative assembly, it employed parliamentary procedure—a structured method of conducting debates, recognizing speakers, handling motions, and voting. This procedural rigor distinguished it from informal gatherings and ensured decisions emerged from reasoned deliberation rather than arbitrary authority. **What is the significance of the name "Ten Thousand"?** The name refers to the large membership size of the assembly, indicating broad representation across Arcadian communities. This scale made it one of the larger deliberative bodies in ancient Greek federal governance. ## Why It Matters The Ten Thousand represents a significant example of ancient Greek federal democracy in practice. As the central deliberative institution of the Arcadian League, it demonstrates how multiple city-states could unify under a shared governance structure while maintaining collective decision-making processes. The assembly's location in Megalopolis—a city deliberately founded as a federal capital—illustrates the intentional urban planning that supported democratic institutions in the ancient world. The Thersilion bouleuterion, specifically designed to host this large assembly, stands as architectural evidence of the importance placed on communal deliberation. By operating through parliamentary procedure with a designated chairperson, the Ten Thousand embodied the principles of deliberative democracy at a scale rarely seen in other contemporary Greek confederations. Its existence in the 4th century BC places it during a transformative period in Greek political history, when various regions experimented with federal structures as alternatives to individual city-state sovereignty. The assembly's structure and function provide scholars with a concrete example of how ancient democratic theory translated into operational governance, making it relevant to both historical research and comparative political science. ## Notable For - **Scale of representation**: The name "Ten Thousand" indicates an unusually large deliberative body for the ancient Greek world, suggesting broad citizen participation across Arcadian communities - **Purpose-built infrastructure**: Meeting in the Thersilion bouleuterion, a structure specifically designed to accommodate large-scale deliberative assemblies - **Federal governance model**: Served as the central decision-making institution uniting multiple Arcadian city-states under the Arcadian League - **Deliberative procedure**: Operated through formal parliamentary procedure with a chairperson, distinguishing it from informal popular assemblies - **Strategic founding**: Headquartered in Megalopolis, a planned city established specifically to serve as the Arcadian League's federal capital - **Historical timing**: Active during the 4th century BC, a pivotal era of political reorganization in the Peloponnese following Spartan decline - **Classification as assembly**: Formally categorized as an instance of a deliberative assembly, the same organizational type used by legislative bodies, corporate boards, and democratic institutions throughout history ## Body ### Definition and Organizational Classification The Ten Thousand was an ancient deliberative assembly serving as the governing body of the Arcadian League. As an instance of the broader "assembly" class, it shared core characteristics with deliberative assemblies across history: structured decision-making through parliamentary procedure, formal deliberation among members, and organizational permanence as a subclass of "organization." The body's identity as a deliberative assembly meant it operated through established rules of order, with members following procedural frameworks to debate and resolve collective matters affecting the Arcadian jurisdiction. A designated chairperson presided over proceedings, enforcing procedural rules, recognizing speakers, and maintaining orderly deliberation. ### Geographic and Political Context The Ten Thousand operated within the Arcadian League, a federal confederation of city-states in the ancient Greek region of Arcadia. Its jurisdiction encompassed the Arcadian territory, a mountainous interior region of the Peloponnese. The assembly's headquarters were located in Megalopolis, a city strategically founded to serve as the league's political center. Megalopolis functioned as both the administrative capital and the physical meeting point for representatives from across the Arcadian member communities. The choice of Megalopolis as headquarters reflected the league's commitment to centralized federal governance. ### The Thersilion Bouleuterion The Ten Thousand convened in the Thersilion bouleuterion, a dedicated council house in Megalopolis specifically constructed to host the assembly's large membership. Bouleuteria were standard features of ancient Greek city-states, serving as architectural spaces designed for deliberative functions. The Thersilion's capacity to accommodate the assembly's substantial membership—implied by the name "Ten Thousand"—made it one of the larger such structures in the Greek world. The building's design facilitated the procedural requirements of deliberative governance, enabling speakers to address the assembled body and supporting the orderly conduct of debate, motion handling, and voting. ### Historical Period and Significance Active during the 4th century BC, the Ten Thousand emerged during a period of significant political transformation in the Greek world. Following the decline of Spartan hegemony, various Peloponnesian regions sought new political arrangements, with the Arcadian League representing one such federal experiment. The assembly's deliberative structure allowed member communities to participate in collective decision-making while maintaining their local identities. This period saw increased experimentation with federal governance models across Greece, and the Ten Thousand exemplifies how democratic deliberation functioned within these larger political unions. ### Structure and Procedural Framework As a deliberative assembly, the Ten Thousand operated within the framework of parliamentary procedure adapted to ancient Greek political contexts. The body possessed the core characteristics of deliberative assemblies: formal organizational structure, membership criteria representing Arcadian communities, and governance through established procedural rules. The chairperson role was institutionalized as the definitive leadership position, responsible for maintaining deliberative order and ensuring procedural compliance. Decisions emerged through the deliberative process—careful consideration of issues through structured debate—rather than through unilateral authority or informal consensus. This procedural formality distinguished the Ten Thousand from popular assemblies and other less structured gathering types. ### Relationship to Deliberative Democracy The Ten Thousand functioned as a practical implementation of deliberative democratic principles at the federal level. Within the knowledge framework of deliberative assemblies, it represents the translation of abstract democratic theory into operational governance mechanisms. By institutionalizing parliamentary procedure within a large representative body, the Arcadian League created a system where collective decisions affecting multiple communities emerged from reasoned debate rather than coercion or dominance by any single city-state. The assembly's existence demonstrates that deliberative democracy was not merely a philosophical concept in ancient Greece but an operational governance model applied at scale. ### External Identifiers and Documentation The Ten Thousand is cataloged in digital knowledge systems with the following identifiers: Topostext person ID 24236, and its Wikidata entry carries the description "ancient Arcadian League deliberative body." The entity is formally classified as an instance of "assembly" within knowledge base structures, inheriting the broader class properties of deliberative assemblies including organizational subclassification, chairperson-led governance, and procedural formality.