1969 East Pakistan mass uprising
The 1969 East Pakistan mass uprising (Bengali: ঊনসত্তরের গণঅভ্যুত্থান, lit. '69's Mass Uprising') was a democratic political uprising in East Pakistan. It was led by the students backed by various political parties such as the Awami League, National Awami Party, and Communist Party of East Pakistan and their student wings, and the cultural fronts (writers, poets, musicians, singers, actors, etc.) against Muhammad Ayub Khan, the president of Pakistan, in protest of the oppressive military rule, political repressions, the Agartala Conspiracy Case, and the incarceration of Bangabandhu Sheikh Mujibur Rahman and other Bengali nationalists.
Source: Wikipedia — 1969 East Pakistan mass uprising (CC BY-SA 4.0)