• November 21, Every year:   This day is observed as the BANGLADESH ARMED FORCES DAY (since 1971).
• March 25, 1971:   Dacca University students butchered -  Pakistan's military ruler, Gen Yahya Khan, ordered a crackdown on the liberation movement in the then East Pakistan (now Bangladesh) led by Sheikh Mujibur Rahman. Tikka Khan Khan was appointed chief martial law administrator of East Pakistan, now Bangladesh. Under Gen Tikka Khan's command, the military carried out a murderous assault on Dacca University, hotbed of the Bangladeshi liberation struggle, and the Mukti Bahini on the night of March 25, 1971, killing hundreds of youths.   The military carried out similar attacks in other parts of East Pakistan, killing thousands more.  
• September 28, 1971:   The official date of formation of the Bangladesh Air Force (BAF) has been established on this day. BAF was formed with all officers and airmen of Bengali origin serving in the Pakistan Air Force prior to the war.
• October 08, 1971:    BAF was launched formally by the Government on this day.
• December 16, 1971:   Pakistan Army of 93,000 Officers and Soldiers surrendered to the allied forces of Bangladesh and India, ending the Liberation War of Bangladesh and the Indo-Pakistani War of 1971 simultaneously.   

This signifies the day in 1971, when the members of Army, Navy and Air force of the Bangladesh liberation war forces were fully operational and launched a coordinated offensive against the Pakistani Army.