Oman also had its own colony, Zanzibar, on the east coast of Africa, from which it derived wealth in the slave trade.
The stone tools, some up to 125,000 years old, resemble those made by humans in Africa around the same period.From the 2nd half of the 1st millennium BDE waves of Semitic speaking peoples migrated from central and western Arabia to the east.The most important of these tribes are known as Azd. 300 CE Semitic speakers appear in central Oman at Samad al-Shan and the so-called Recent Pre-Islamic Period, abbreviated PIR, in what has become the United Arab Emirates Oman was exposed to Islam in 630, during the lifetime of the prophet Muhammad; consolidation took place in the Ridda Wars in 632. Oman is the site of pre-historic human habitation, stretching back over 100,000 years.The region was impacted by powerful invaders, including other Arab tribes, Portugal, and Britain.
But around 130,000 years ago the world was at the end of an ice age.