High Quality Content by WIKIPEDIA articles! East Pakistan was a former province of Pakistan which existed between 1947 and 1971. East Pakistan was created from Bengal Province based on a plebiscite in what was then British India in 1947. Eastern Bengal chose to join the Dominion of Pakistan and became a province of Pakistan by the name East Bengal. East Bengal, also comprised East Pakistan in 1956 and later became the independent country of Bangladesh after the bloody Bangladesh Liberation War in 1971, which took place after General Elections of 1970. Large sections of East Pakistan's people felt that they were colonised and suppressed by the West Pakistanis