February

• 10 February: Sheikh Mujib returns to free Bangladesh.
• 19 February: The 25-year Indo-Bangladeshi Treaty of Friendship, Cooperation and Peace is signed in Dhaka.

March

• 17 March: Indian army leaves Dhaka.
• 19 March - The prime ministers of Bangladesh and India
  India
  India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
  
  sign the Joint Rivers Commission.

November

• 4 November: Constitution of the Peoples Republic of Bangladesh is adopted by the Assembly.