 This award was declared on 15 December 1973.A total of 68 people have been rewarded for their bravery and dedication in the liberation war of Bangladesh in 1971.In April 2010, Brigadier General Jamil Uddin Ahmad was posthumously conferred with the Bir Uttom for being the only army officer present and who was killed while trying to counter the successful assassination attempt on Prime Minister Sheikh Mujibur Rahman on 15 August 1975.