Assamese literature its roots in the Eastern dialect. The modern Assamese period began with the publication of the Bible in Assamese prose by the American Baptist missionaries in 1819. The currently prevalent standard Asamiya has its roots in the Sibsagar dialect of Eastern Assam. As mentioned in Bani Kanta Kakati's "Assamese, its Formation and Development" (1941, Published by Sree Khagendra Narayan Dutta Baruah, LBS Publications, G.N. Bordoloi Road, Gauhati-1, Assam, India) – " The Missionaries made Sibsagar in Eastern Assam the centre of their activities and used the dialect of Sibsagar for their literary purposes". The American Baptist Missionaries were the first
Assamese people or any other language of Assam as his/her first language are referred as Assamese people. The indigenous Assamese people traditionally include ethnic groups like Assamese Brahmins (including Ganaks), Koch Rajbongshis, Ahoms, Deoris, Sonowal–Kacharis, Rabhas, Hajongs, Bodo, Mishings, Assamese Kayasthas, Kalitas,Chutias, Keot(Kaibarta), Baro-Bhuyan, Mech Kacharis, Thengal–Kacharis, Tiwas, Sarania Kacharis, Nath, Kumar, Hira, Tai-Phake, Tai-Aiton, Tai-Khamyangs, Tai-Khamti, Tai-Turung, other Tai groups, Moran, Motok, Doms/Nadiyals, Assamese Muslims (particularly Goria, Moria, Deshi communities), Assamese Sikhs, Assamese Christians speaking Assamese or any other tribal dialect of Assam as their mother tongue and indigenous ethnic groups of other neighbouring North-East states. Though there is a political