Bengali is the official language of Bangladesh with 230 million speakers, which is high on the list of the most spoken languages in the world, and the second most in India.
There are six spoken dialects. After claiming independence from Britain, Bengali became the Eastern Bengali of Pakistan. However, Eastern and Western Pakistan had different official languages and this triggered the independence of Bengali from Pakistan in 1971. This historical affair is well known as the Bengali Language Movement and it is celebrated by a memorial day in Bengali called International Mother Language Day.