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.factbase/perspective.md

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+# Ancient History Knowledge Base
+
+## Domain
+Ancient history from early civilizations through the fall of Rome (~476 CE).
+
+## Scope
+- Civilizations, empires, and kingdoms
+- Rulers, leaders, and notable figures
+- Battles and military campaigns
+- Treaties and diplomatic agreements
+- Cities and archaeological sites
+- Religions and belief systems
+- Technologies and engineering
+- Trade routes and economic networks
+- Legal codes and governance
+- Writing systems and literacy
+- Cultural and intellectual movements
+
+## Conventions
+- Use BCE/CE dating throughout (not BC/AD)
+- Temporal precision ranges from century-level (~2500 BCE) to exact dates
+- Sources include primary ancient texts and modern archaeological scholarship
+- Cross-reference related entities (e.g., rulers ↔ civilizations ↔ battles)
+- Note when dates are approximate or debated among scholars
+
+## Quality Standards
+- Every claim should cite a source (primary text or modern scholarship)
+- Distinguish between established consensus and scholarly debate
+- Note archaeological evidence where relevant
+- Use temporal tags for CE dates; write BCE dates in text