Northeast India when they became relatively isolated from traditional trading partners such as Bhutan and Myanmar. Many of the peoples in present-day Mizoram, Meghalaya and Nagaland converted to Christianity under the influence of British (Welsh) missionaries. In the early 19th century, both the Ahom and the Manipur kingdoms fell to a Burmese invasion. The ensuing First Anglo-Burmese War resulted in the entire region coming under British control. In the colonial period (1826–1947), North East India was made a part of Bengal Province from 1839 to 1873, when Assam became its own province. After Indian Independence from British Rule in 1947, the Northeastern
Colonial India of Wandiwash, after which the British East India Company was the supreme military and political power in southern India as well as in Bengal. In the following decades it gradually increased the size of the territories under its control. The enclaves of Pondichéry, Karaikal, Yanam, Mahé and Chandernagore were returned to France in 1816 and were integrated with the Republic of India in 1954. Denmark–Norway held colonial possessions in India for more than 200 years, but the Danish presence in India was of little significance to the major European powers as they presented neither a military nor a mercantile threat.