<imagemap> File:Major kingdoms of Assam.png|thumb|right|300px|Major kingdoms of Assam rect 50 50 650 120 Kamarupa Kingdom rect 45 240 160 310 Kamata Kingdom rect 165 240 300 310 Bhuyan chieftains rect 305 240 415 310 Ahom Kingdom rect 425 240 540 310 Sutiya Kingdom rect 550 240 660 310 Kachari Kingdom rect 4 425 80 495 Koch Bihar rect 120 425 190 495 Koch Hajo rect 125 660 640 760 History of Assam </imagemap> The history of Assam is the history of a confluence of people from the east, west and the north; the confluence of the Tibeto-Burman (Sino-Tibetan), Indo-Aryan and Austroasiatic cultures. Although invaded over the centuries, it was never a vassal or a colony to an external power until the Burmese in 1821, and, subsequently, the British in 1826.