sultan kingMaḥmūd of Ghazna (rened ad 998–1030) was the first Muslim ruler to be called sultan by his contemporaries, and under the Seljuqs of Anatolia and Iran it became a regular title.KUALA LUMPUR, Malaysia (AP) — Malaysia’s billionaire king Sultan Ibrahim Iskandar was installed on Saturday, six months after he was sworn in for a five-year term under a unique