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Prehistory and ancient history

At Aybut Al Auwal, in the Dhofar Governorate of Oman, a site was discovered in 2011 containing more than 100 surface scatters of stone tools, belonging to a regionally specific African lithic industry —the late Nubian Complex—known previously only from the northeast and Horn of Africa. Two optically stimulated luminescence age estimates place the Arabian Nubian Complex at 106,000 years old. This supports the proposition that early human populations moved from Africa into Arabia during the Late Pleistocene.

In recent years surveys have uncovered Palaeolithic and Neolithic sites on the eastern coast. Main Palaeolithic sites include Saiwan-Ghunaim in the Barr al-Hikman. Archaeological remains are particularly numerous for the Bronze Age Umm an-Nar and Wadi Suq periods. At the archaeological sites of Bat, Al-Janah, and Al-Ayn wheel-turned pottery, hand-made stone vessels, metals industry artifacts, and monumental architecture have been preserved.

There is considerable agreement in sources that frankincense was used by traders in 1500 BCE. The Land of Frankincense, a UNESCO World Heritage site, dramatically illustrates that the incense constituted testimony to South Arabian civilizations.

During the 8th century BCE, it is believed that the Yaarub, the descendant of Qahtan, ruled the entire region of Yemen, including Oman. Wathil bin Himyar bin Abd-Shams (Saba) bin Yashjub (Yaman) bin Yarub bin Qahtan later ruled Oman. It is thus believed that the Yaarubah were the first settlers in Oman from Yemen.

In the 1970s and 1980s, scholars like John C. Wilkinson believed by virtue of oral history that in the 6th century BCE, the Achaemenids exerted control over the Omani peninsula, most likely ruling from a coastal centre such as Suhar. Central Oman has its own indigenous Samad Late Iron Age cultural assemblage named eponymously from Samad al-Shan. In the northern part of the Oman Peninsula the Recent Pre-Islamic Period begins in the 3rd century BCE and extends into the 3rd century CE. Whether or not Persians brought south-eastern Arabia under their control is a moot point, since the lack of Persian archeological finds speak against this belief. Armand-Pierre Caussin de Perceval suggests that Shammir bin Wathil bin Himyar recognized the authority of Cyrus the Great over Oman in 536 BCE.

Sumerian tablets referred to Oman as " Magan " and in the Akkadian language "Makan", a name which links Oman's ancient copper resources.