The Sumerian King List omits any mention of Lagash, even though it was clearly a major power during the period covered by the list.
The reforms of Urukagina of Lagash, the earliest known legal code (c. 2350 BC), is often thought to be an early example of reform.
The only known example of an actual inter-state conflict over water took place between 2500 and 2350 BC between the Sumerian states of Lagash and Umma.
Lagash |
Two Elamite dynasties said to have exercised brief control over parts of Sumer in very early times include Awan and Hamazi; and likewise, several of the stronger Sumerian rulers, such as Eannatum of Lagash and Lugal-anne-mundu of Adab, are recorded as temporarily dominating Elam.