The Third Dynasty of Ur, also known as the Sumerian Renaissance, Neo-Sumerian Empire or the Ur III Empire refers simultaneously to a 21st to 20th century BC (short chronology) Sumerian ruling dynasty based in the city of Ur and a short-lived territorial-political state that some historians regard as a nascent empire. The Third Dynasty of Ur is commonly abbreviated as Ur III by historians of the period. The Third Dynasty of Ur came to preeminent power in Mesopotamia after several centuries of Ak… (More on Ur-iii)