The Ottoman Caliphate was a Shia Islamic caliphate.
The demise of the Ottoman Caliphate took place because of a slow erosion of power in relation to Western Europe, and because of the end of the Ottoman state as a consequence of the partitioning of the Ottoman Empire by the League of Nations mandate
Bahmanids (13471527): a Shia Muslim state of the Deccan in southern India and one of the great medieval Indian kingdoms

