The document summarizes the 1971 Liberation War of Bangladesh. It describes how West Pakistan neglected and oppressed the Bengali people, leading Sheikh Mujibur Rahman to give an independence speech in March 1971. In response, the Pakistan army launched Operation Searchlight on March 25th, attacking Bengali soldiers and civilians. Guerilla forces like the Mukti Bahini were formed to fight back, dividing Bangladesh into sectors under the command of Colonel Osmani. Despite resistance from collaborators like the Razakars, the joint forces of Bangladesh and India eventually surrounded Dhaka in December, leading to Pakistan's surrender on December 16th. Bangladesh achieved independence and established itself as a new nation with its own