Mirpur is one of the prominent regions of Dhaka city. Established in 1962, it is located to the north-east of the city. It currently occupies a total Area of 58.66 square kilometers and has a residing Population of 632,664. Mirpur is bounded by Mohammadpur to the south, Kafrul to the east, Pallabi to the north and Savar upazila to the west. It is known for its diverse historical sites. The Dhaka Zoo, the National Botanical Garden, Grameen Bank’s head office, Sher-e-Bangla Cricket Stadium and Mirpur Cantonment all are located here.
During the Bangladesh Liberation war, Mirpur remained Pro-Pakistan. Bengalis living in Mirpur threatened and attacked by Pro-Pakistan Biharis. Bengali poet, Meherunnesa, was killed by Bihari inhabitants of Mirpur along with her family members. Bangladesh became an independent country on 16 December 1971. Mirpur Thana, mostly inhabited by Biharis, remained under the control of pro-Pakistan paramilitaries even after the independence of Bangladesh.Many of the inhabitants were members of Pro Pakistan paramilitaries like the Razakars, Al-Badr, and Al-Shams.
They were in possession of weapons and ammunitions given by Pakistan Army.After the Bangladesh Liberation war ended, Bihari neighborhoods were being guarded by Indian Army personal. On 30 January 1972, Indian Army personal were withdrawn, their guarding of Biharis had become a source of tension between Bangladeshis and Indians.On 30 January 1972, Bangladesh Armed Forces had surrounded Mirpur and began preparations to "Liberate Mirpur".
Bengali filmmaker, Zahir Raihan, went to Mirpur after someone called him about his missing brother, Shahidullah Kaiser, who was kidnapped by members of Al-Badr. Zahir Raihan was never seen again. The soldiers started searching Mirpur and Mohammadpur Thana for weapons and curfew was imposed on the region. Biharis in Mohammadpur had shot at group of Bengali refugees returning home, wounding 6 and killing one. Gunfights broke out in Mohammadpur and Mirpur between Biharis and Bangladeshi Armed forces.Journalists were not permitted to enter while soldiers searched for weapons.United Nation representative Vittorio Winspeare-Guicciardi visited the camp where Biharis asked him to help them move to Pakistan.In Bangladesh 31 January is marked as Victory Day of Mirpur or Mirpur Mukto Dibosh.