Mastewal tesfaye
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they were another tribe who migrated from central Asia into Asia Minor, Arabia, Palestine and Asia Minor at the end of the 13th century. They replaced Seljuk Turks since 1299 A.D. It was named after their chief, known as Osman or Othman. They began to build a mighty empire in the first half of the 14th century. It was centered in what is now Turkey.
References
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