https://github.com/davepinch/pinchy.cc/blob/master/content/about/about-this/this-website-is-implemented-in-hugo/feel-free-to-submit-proposed-changes.md
In the late 4th millennium BC, Sumer was divided into many independent city-states, which were divided by canals and boundary stones. Each was centered on a temple dedicated to the particular patron god or goddess of the city and ruled over by a priestly governor (ensi) or by a king (lugal) who was intimately tied to the city’s religious rites.