{
  "author": "ChronologiaOS editorial guides",
  "date": "2026-10-09",
  "department": "Cities & Civilizations",
  "department_id": "CITIES",
  "epistemic_label": "Source guide",
  "epistemic_status": "SOURCE_GUIDE",
  "period": "c. 5300\u20134100 BCE",
  "place": "Southern Mesopotamia, Iraq",
  "public_sources": [
    {
      "publisher": "Cambridge University Press",
      "title": "The Birth of the State",
      "type": "Scholarly monograph",
      "url": "https://www.cambridge.org/core/books/worlds-of-the-indian-ocean/birth-of-the-state/B1C0C980A44DFF3EC38C4FFBBA0F7D12"
    }
  ],
  "publication_state": "PUBLIC",
  "read_time": "3 min read",
  "sections": [
    {
      "body": "The Ubaid period describes the village communities of southern Mesopotamia before the urban growth of Uruk. The Cambridge chapter attached to this subject frames the period at about 5300 to 4100 BCE and treats it as the long background to the birth of the state.",
      "heading": "Start with the period",
      "source": 0
    },
    {
      "body": "An earlier research seed modeled the same period as beginning around 6500 BCE. Rather than silently replacing one number with another, the research record keeps both ranges as separate candidates and notes that the source basis for the earlier start remains unresolved.",
      "heading": "Two ranges, one subject"
    },
    {
      "body": "When two reputable syntheses disagree, look for the reason: a different regional definition, a different phase nomenclature, or a newer dating series. A rule used here is not to average competing ranges. Compare the definitions first.",
      "heading": "Try the research habit"
    },
    {
      "body": "Which came first in your reading: the number or the definition of what it dates? Try reading the chapter with that order reversed.",
      "heading": "A question to carry forward"
    }
  ],
  "short_title": "What comes before a city?",
  "slug": "ubaid-the-villages-before-the-first-cities",
  "summary": "Meet the Ubaid period of Mesopotamia and see why one research record keeps two different date ranges side by side instead of averaging them.",
  "tags": [
    "Ubaid",
    "Mesopotamia",
    "Villages",
    "Chronology"
  ],
  "title": "Ubaid: the villages before the first cities."
}