 Known as Magan to the Sumerians, the area was home to a prosperous Bronze Age trading culture during the Umm Al Nar period, which traded between the Indus Valley, Bahrain and Mesopotamia as well as Iran, Bactria and the Levant.The ensuing Wadi Suq period and three Iron Ages saw the emergence of nomadism as well as the development of water management and irrigation systems supporting human settlement in both the coast and interior.The Islamic age of the UAE dates back to the expulsion of the Sasanians and the subsequent Battle of Dibba.