The partition of India following independence from the British in 1947 separated West Bengal from East Bengal, which eventually became the present-day nation of Bangladesh. This caused a significant change in demographics; populations were divided along religious lines, and over three million people were said to have crossed the new Bengal border in either direction. This large-scale displacement along religious lines led to some changes of food, because there were differences in food habits between the Muslims and the Hindus. However, the culinary shift should not be overstated - large populations of each religion stayed put on either side of the border. The newly formed West Bengal was a small state in India dominated by the mega city of Kolkata. This city came into prominence as the original capital of British India and quickly became one of the largest and richest in the world, completely overshadowing the original megacity of Dhaka. After partition, Kolkata continued to wield an outsize influence in the cultural and food habits of West Bengal. Its offices, ports and bazaars attracted many communities from the rest of India, (especially the Marwari and Chinese communities); substantial populations of these communities have lived for generations in Kolkata. Ganguram's)and street foods of Kolkata; many have Marwari or Chinese origins. Bangladesh, on the other hand, was isolated by the political border from Kolkata's multiculturalism and retained a more traditional take on things. Kolkata cuisine is now distinct enough that it can be considered a culinary subset.
