Battle of Plassey, 1757
1757 · Plassey
Language Movement, 1952
1952 · Language
Liberation War, 1971
1971 · Liberation
Partition of Bengal and Swadeshi movement, 1905
1905 · Partition

Discover Bengal · Unfolded

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Est. 1947 · BengalA Bilingual Archive

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Historical Transitions

State, society, and political change

1967

High

Naxalbari Uprising and Left Radicalization in Bengal

Historical Transitions

Naxalbari Uprising and Left Radicalization in Bengal was a significant turning point in the political and social trajectory of Bengal/Bangladesh.

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Pakistan Period and National Awakening

Language, autonomy, and liberation

1968

Major

Agartala Conspiracy Case

Pakistan Period and National Awakening

In 1968, the Pakistan government prosecuted Sheikh Mujibur Rahman and others in the Agartala Conspiracy Case, alleging plans to separate East Pakistan with Indian support. The case became a flashpoint of political anger, expanded solidarity across student and public spheres, and directly fed into the 1969 mass uprising.

1969

Major

Mass Uprising

Pakistan Period and National Awakening

The 1969 Mass Uprising in East Pakistan brought together students, workers, opposition parties, and ordinary citizens against prolonged military-backed authoritarianism. It accelerated the collapse of the Ayub regime, widened the demand for democratic rights and regional autonomy, and prepared the political ground for the decisive elections of 1970 and the liberation struggle that followed.

1970

Landmark

Bhola Cyclone and the 1970 Election

Pakistan Period and National Awakening

In late 1970, East Pakistan was shaken first by the catastrophic Bhola cyclone of 12 November and then by Pakistan's first general election under universal adult franchise on 7 December. The cyclone exposed the scale of administrative neglect, relief failure, and delta vulnerability, while the election gave Sheikh Mujibur Rahman's Awami League an overwhelming democratic mandate. Together, ecological catastrophe and the denied transfer of power turned autonomy politics into an immediate constitutional crisis on the eve of the Liberation War.

1971

Landmark

Liberation War

Pakistan Period and National Awakening

The Liberation War of 1971 grew out of the denied majority verdict of the 1970 election, the March non-cooperation movement, and the Pakistan Army's 25 March crackdown. What followed was not a single battlefield episode but a combined political, military, and humanitarian rupture: a provisional government, sector-based armed resistance, mass displacement into India, and finally the defeat of Pakistani forces in December and the birth of Bangladesh.

March-April 1971

Major

Declaration and Proclamation of Independence

Pakistan Period and National Awakening

Between late March and April 1971, Bangladesh's independence struggle moved from mass resistance to an explicit claim of statehood. The declaration of independence issued in Sheikh Mujibur Rahman's name after the 25 March crackdown, followed by the formal Proclamation of Independence adopted by the provisional leadership, gave the war a constitutional language, a legal rationale, and an organizing political center.

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