Operation Grand Slam
Yahya Khan takes command of Operation Grand Slam after Akhtar Hussain Malik is replaced.
Role range: 1965-1965
Historical biography archive · Updated 2026-11-03
Agha Muhammad Yahya Khan Biography and Timeline
Follow Agha Muhammad Yahya Khan through 39 dated historical records for Pakistan.
Agha Muhammad Yahya Khan, historical timeline
A chronological timeline drawn from matching World History Database records.
39Distinct records
1 of 1Page
1965–1971Years on this page
1965
Advance toward Akhnoor
Yahya Khan continues the Grand Slam advance toward Akhnoor, but the operation fails to achieve its main objective.
Role range: 1965-1965
1969
Constitution Abrogation
Yahya Khan abrogates the 1962 Constitution and dissolves the legislatures.
Role range: 1969-1971 – 1969-1971
Martial Law
Yahya Khan declares martial law and becomes Chief Martial Law Administrator.
Role range: 1969-1971 – 1969-1971
Transfer of Power
Ayub Khan transfers authority to army commander Yahya Khan amid nationwide unrest.
Role range: 1969-1971 – 1969-1971
Islamic Republic of Pakistan
Yahya Khan governs the Islamic Republic under martial law.
Role range: 1969-1971 – 1969-1971
Islamic Republic
The state remains the Islamic Republic of Pakistan during Yahya Khan's rule.
Role range: 1965-1969
President of Pakistan
Yahya Khan formally assumes the office of President.
Role range: 1969-1971 – 1969-1971
President of Pakistan
Yahya Khan's formal presidency follows his assumption of military power.
Role range: 1969-1971 – 1969-1971
One Unit Dissolution
Yahya Khan dissolves West Pakistan's One Unit and restores four provinces.
Role range: 1969-1971
1970
Election Framework
The Legal Framework Order sets representation and constitutional rules for the election.
Role range: 1969-1971 – 1969-1971
Legal Framework Order
Yahya Khan issues the Legal Framework Order governing the forthcoming general election.
Role range: 1969-1971 – 1969-1971
Legal Framework Order
Yahya Khan's order requires the elected assembly to draft a constitution within a fixed period.
Role range: 1969-1971 – 1969-1971
Election Result
Sheikh Mujibur Rahman's Awami League wins an absolute National Assembly majority.
Role range: 1969-1971 – 1969-1971
General Election - General Election
Pakistan holds its first nationwide direct general election.
Role range: 1969-1971 – 1969-1971
General Election Election Outcome
General election outcome recorded for Agha Muhammad Yahya Khan: Pakistan holds its first nationwide direct general election.
Role range: 1969-1971 – 1969-1971
General Election Government
Government context for this general election: Pakistan holds its first nationwide direct general election.
Role range: 1969-1971 – 1969-1971
General Election
Pakistan holds its first nationwide direct general election.
Role range: 1969-1971 – 1969-1971
General Election
Voters elect members of the National Assembly in Pakistan's first direct national poll.
Role range: 1969-1971 – 1969-1971
National Assembly
The Awami League emerges as the largest party in the new National Assembly.
Role range: 1969-1971 – 1969-1971
Provincial Elections
Pakistan holds provincial assembly elections after the national poll.
Role range: 1969-1971
1971
General Strike
A general strike follows the postponement of the elected National Assembly.
National Assembly Postponement
Yahya Khan postpones the National Assembly session, triggering mass protests in East Pakistan.
Operation Searchlight
The military launches a major operation against Bengali political opposition in East Pakistan.
Role range: 1969-1971
Operation Searchlight
Yahya Khan's military government begins Operation Searchlight against Bengali nationalist forces in East Pakistan.
Role range: 1971-1971 – 1969-1971
Awami League
The Awami League's leadership backs Bangladesh's declaration of independence.
Declaration of Bangladesh
Bengali leaders declare Bangladesh independent as military operations begin in East Pakistan.
East Pakistan Crisis
The political crisis in East Pakistan escalates into armed conflict and a declaration of independence.
Role range: 1969-1971 – 1969-1971
Eastern Command
Yahya Khan places Tikka Khan in authority in East Pakistan as the political crisis develops into armed conflict.
Role range: 1971-1971 – 1969-1971
Diplomatic Protest
Pakistan protests India's support for the Bengali independence movement.
Diplomatic Protest
The government condemns Indian assistance to the emerging Bangladeshi state.
East Pakistan War
Pakistan accuses Indian forces of direct intervention in East Pakistan.
Air Strikes on India
Pakistan launches air strikes against Indian airfields, widening the 1971 war.
Role range: 1969-1971 – 1969-1971
War with India
Full-scale war begins between Pakistan and India after Pakistani air strikes.
Operation Chengiz Khan
Yahya Khan's government orders air strikes against Indian airfields as full-scale war begins on the western front.
Role range: 1971-1971 – 1969-1971
Indian Recognition of Bangladesh
India formally recognizes Bangladesh during the Indo-Pakistani War.
1971 War
The eastern war ends with the surrender of Pakistan's Eastern Command.
Ceasefire
A ceasefire takes effect on the western front after Pakistan accepts the conflict's outcome.
Resignation after War
Yahya Khan relinquishes power after Pakistan's defeat and the separation of East Pakistan as Bangladesh.
Role range: 1971-1971 – 1969-1971
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.