Question

How was the title of Sultan, a common title for a Muslim ruler, first used and with whom?

Answer 1

For the answer to the question above, the in 11th century it was used as a title by Muslim sovereigns. Maḥmūd of Ghazna (reigned 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. So the closest answer is D. Ghaznavid ruler Mahmud spread Islam deep into India yet didn't hold power long

Answer 2

The answer is D. Ghaznavid ruler of Mahmud spread Islam deep into India yet didn't hold power long.