What is the evidence?

observation

Mesopotamian urban polities developed competing city-state systems, temples and royal institutions.

Inspect the sources →
Review and provenance

Specialist reviewer: not recorded. Review date: not recorded.

Dataset workflow: proposed. This is separate from specialist review.

Confidence describes the stated assessment; it does not certify expert approval. How review works.

Chronology

Dating intervals may describe uncertainty or phases; their width alone does not establish event duration.

Preferred assertion

2900 BCE–2350 BCE

Precision: range

high

Preferred display range for this release. It does not suppress model-specific dates, regnal uncertainty or alternative period boundaries recorded elsewhere.

  • supports · provides world context
    History and Philology — Walther Sallaberger, Ingo Schrakamp (editors) (2015)

    Supports broad chronology and political systems.


    Locator: Early Dynastic history chapters

Interpretation and caveats

Included as contemporaneous world context without implying that Egyptian dynastic labels or state structures were equivalent.

Event context

Classification

Event type: major world context political system

Evidence layer: historical and archaeological

Timeline role: general world context

Why it matters to the timeline

Provides a comparative contemporary political system without asserting a direct Egyptian relationship.

Research notes

  • Supports broad chronology and political systems. Role: provides world context. Locator: Early Dynastic history chapters.

Evidence and sources

  • supports · provides world context
    History and Philology — Walther Sallaberger, Ingo Schrakamp (editors) (2015)

    Supports broad chronology and political systems.


    Locator: Early Dynastic history chapters

Where to go next