§ indicates events in the internal resistance movement linked to the Indo-Pakistani War. ‡ indicates events in the Indo-Pakistani War linked to the internal resistance movement in Bangladesh.
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Events
Pre-Liberation War (1968-1971)
In mid-1968, Purba Banglar Sarbahara Party, then known as Purba Banglar Sramik Andolan (PBSA), initiated covert operations. Their first action involved capturing a cyclostyle printing machine, which they used to print the theoretical organ of the movement, 'Lal Jhanda' (Red Flag). On 8 January 1970, the group hoisted the flag of East Bengal (now the national flag of Bangladesh) at Dhaka, Munshiganj, and Mymensingh. On Karl Marx's birthday, 6 May 1970, the group launched a bomb attack on the Pakistan Council office in Dhaka. In October of the same year, the group carried out bomb attacks on several buildings throughout East Pakistan, including the American Information Centre.[1]
Liberation War (1971)
At the onset of the Liberation War in 1971, PBSA was actively involved in establishing national resistance cells. On 30 April, they formed their own paramilitary force, known as the 'Purba Banglar Sashastra Deshapremik Bahini' (Armed Patriotic Force of East Bengal, PBSDB). This force initiated an armed struggle against the Pakistani army.[2] This faction was one of the many pro-China groups that actively participated in the liberation war.[3] This force would launch several simultaneous attacks on not only the Pakistani forces, but also the Mukti Bahini.[2]