The Seljuk Turkish leader conquered Persia, Mesopotamia, and eastern Asia Minor to establish the first major Turkish Empire in 1000.
The Turkish leader Seljuk conquered regions in establishing the first major Turkish Empire in 1000 by claiming territories in Persia, Mesopotamia, and eastern Asia Minor. They seized control of Baghdad and defeated the forces of the Byzantine Empire at the Battle of Manzikert, thereby dominating the region.
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