Canal Building and Irrigation Administration in Southern Sumer (c. 3500–2000 BCE)

1. Early urban irrigation expands in Uruk era

   Jan 1, 3500 BCELabels: Uruk city, Alluvial plain

   • Britannica
   • UNM notes

2. Rationed labor supports large public works

   Jan 1, 3300 BCELabels: Beveled rim, Labor rations

   • Met Museum
   • BRB overview

3. Proto-cuneiform administration emerges at Uruk

   Jan 1, 3200 BCELabels: Proto-cuneiform, Uruk administration

   • Britannica
   • Britannica

4. Irrigation city-states consolidate in Early Dynastic

   Jan 1, 2900 BCELabels: City-states, Canal control

   • Britannica
   • Britannica

5. Mesilim arbitrates Lagash–Umma canal-use boundary

   Jan 1, 2550 BCELabels: Mesilim of, Lagash Umma

   • Entemena cone
   • Gu Edin

6. Eannatum’s war includes canal and boundary works

   Jan 1, 2450 BCELabels: Eannatum, Lagash Umma

   • Lagash
   • Umma Lagash

7. Enmetena inscription recalls canal-use terms

   Jan 1, 2400 BCELabels: Enmetena cone, Lagash inscription

   • Entemena
   • Gu Edin

8. Akkadian imperial rule reshapes southern administration

   Jan 1, 2334 BCELabels: Akkadian Empire, Imperial administration

   • Britannica
   • Britannica

9. Gudea promotes major building programs at Lagash

   Jan 1, 2144 BCELabels: Gudea of, Building programs

   • Walters
   • DIA

10. Ur-Namma celebrated as major canal digger

    Jan 1, 2100 BCELabels: Ur-Namma, Canal-digger composition

    • ETCSL
    • Ur Nammu code

11. Ur III bureaucracy coordinates labor and outputs

    Jan 1, 2100 BCELabels: Ur III, State archives

    • Britannica
    • Britannica

12. Collapse of Ur III shifts irrigation governance

    Jan 1, 2004 BCELabels: Post-Ur III, Irrigation governance

    • Britannica
    • Britannica