Sulaymānshāh
Seljuq prince
Quick Summary
Sulaymān was a Seljuq prince who captured Nicaea and Nicomedia around 1075, posing a threat to Constantinople. He established Nicaea as his capital, renaming it İznik, and assumed the title of sultan around 1080. This act is generally considered the beginning of independent Seljuq rule in Anatolia, known as Sultanate of Rûm. He expanded his holdings to the east and south before being killed in 1086. His son, Qilij Arslān I, later regained control of his father's dominions and established a capital at Konya.12
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