The 1971 Bangladesh Liberation War (Bengali: মুক্তিযুদ্ধ Muktijuddho) was a war of independence,^[2] which resulted in the secession of East Pakistan from the Islamic Republic of Pakistan^[3] and established the sovereign nation of Bangladesh. The war pitted East Pakistan and India against West Pakistan, and lasted over a duration of nine months. One of the most violent wars of the 20th century, it witnessed large-scale atrocities, the exodus of 10 million refugees and the Killing of 3 million people.^[4]
On 16 December 1971, Lieutenant General Amir Khan Niazi, CO of Pakistan Armed Forces located in East Pakistan signed the Instrument of Surrender. The Instrument of Surrender was a written agreement that enabled the surrender of the Pakistan Eastern Command in the Bangladesh Liberation War. Now we r independent .Every 16 December we are celebrate our victory .