A Hindu kingdom in eastern Borneo (Kutai Kartanegara ing Martapura) founded in 1300, converted to Islam in 1575, and persisted as a sultanate under Dutch and then Indonesian sovereignty until its political authority effectively ended in 1960.
Survived under Dutch and then Indonesian sovereignty; its self-governing status ended when it joined the Republic of Indonesia in 1960.
Covers Borneo's Hindu-to-Islamic transitional sultanates such as Kutai within Indonesia's colonial and post-independence integration.