* August 14: Pakistan becomes an independent country.
* September 11: Muhammad Ali Jinnah, the founder of Pakistan, dies.
* October 27: Liaquat Ali Khan becomes the first Prime Minister of Pakistan.
1948
* January 1: Pakistan joins the United Nations.
* February 21: The Kashmir War begins.
* December 31: The Kashmir War ends with a ceasefire.
1949
* January 1: The Dominion of India becomes the Republic of India.
* April 16: The Constituent Assembly of Pakistan adopts the Objectives Resolution, which sets out the basic principles of the Pakistani state.
* October 21: Pakistan becomes a member of the Commonwealth of Nations.
1950
* March 23: The Pakistan-United States Mutual Defense Assistance Agreement is signed.
1951
* January 15: The Constituent Assembly of Pakistan adopts the Constitution of Pakistan.
* October 26: Pakistan becomes a member of the United Nations Security Council.
1952
* April 17: The first general elections are held in Pakistan.
* August 14: Khawaja Nazimuddin becomes the second Prime Minister of Pakistan.
1953
* October 23: The United States provides Pakistan with military and economic aid under the Mutual Security Act of 1954.
1954
* May 28: The Pakistan-United States Mutual Defense Assistance Agreement is renewed.
* October 25: The Baghdad Pact is signed between Pakistan, Iran, Iraq, and Turkey.
1955
* September 1: Pakistan joins the Southeast Asia Treaty Organization (SEATO).
1956
* March 8: The One Unit scheme is implemented, merging all of Pakistan's provinces into a single administrative unit.
* September 11: The Islamic Republic of Pakistan is proclaimed.
* October 12: Iskander Mirza becomes the first President of Pakistan.
1957
* March 27: The Pakistan-United States Mutual Defense Assistance Agreement is renewed for a third time.
* October 7: The Constituent Assembly of Pakistan is dissolved.
1958
* October 27: General Ayub Khan seizes power in a bloodless coup.
1959
* March 23: The Constitution of Pakistan is abrogated.
* October 27: Ayub Khan becomes the President of Pakistan.
1960
* January 27: The Second Five-Year Plan is launched.
* May 1: The Indus Waters Treaty is signed between India and Pakistan.
1962
* October 20: The Sino-Indian War begins.
* December 1: The Pakistan-United States Mutual Defense Assistance Agreement is renewed for a fourth time.
1963
* March 23: The Third Five-Year Plan is launched.
* May 21: The Organization of the Islamic Conference (OIC) is founded in Mecca.
1964
* November 1: The East Pakistan cyclone kills an estimated 200,000 people.
1965
* September 6: The Second Kashmir War begins.
* September 23: The Tashkent Declaration is signed, ending the Second Kashmir War.
1966
* January 1: The Tashkent Declaration is ratified by India and Pakistan.
* March 23: The Fourth Five-Year Plan is launched.
1967
* March 25: Ayub Khan agrees to hold general elections in 1970.
1968
* March 23: The Fifth Five-Year Plan is launched.
* December 10: The All Pakistan Students Federation (APSF) is founded.
1969
* March 25: Ayub Khan resigns as President of Pakistan.
* Yahya Khan becomes the President of Pakistan.
1970
* December 7: The general elections are held in Pakistan.
* The Pakistan People's Party (PPP) wins a majority of seats in the National Assembly.
1971
* January 31: Yahya Khan agrees to hand over power to Sheikh Mujibur Rahman, the leader of the PPP.
* March 26: Bangladesh declares independence from Pakistan.
* April 10: The India-Pakistan War begins.
* December 16: The India-Pakistan War ends with a ceasefire.
1972
* January 13: The Simla Agreement is signed between India and Pakistan.
* March 23: The Simla Agreement is ratified by India and Pakistan.
1973
* April 10: The new Constitution of Pakistan is adopted.
* August 14: Zulfikar Ali Bhutto becomes the first Prime Minister of Pakistan after independence from Bangladesh.
1974
* February 28: The Atomic Energy Commission of Pakistan (PAEC) is established.
* March 23: The Sixth Five-Year Plan is launched.
1975
* June 25: The Indo-Pakistani War begins.
* December 16: The Indo-Pakistani War ends with a ceasefire.
1976
* March 23: The Seventh Five-Year Plan is launched.
* July 5: Zulfikar Ali Bhutto is hanged after being convicted of murder.
* August 14: Muhammad Zia-ul-Haq becomes the President of Pakistan.
1977
* January 1: Zia-ul-Haq imposes martial law in Pakistan.
1978
* March 23: The Eighth Five-Year Plan is launched.
1979
* March 27: Pakistan becomes an ally of the United States.
* April 24: The Soviet Union invades Afghanistan.
1980
* March 23: The Ninth Five-Year Plan is launched.
1981
* November 1: The Pakistan Atomic Energy Commission (PAEC) successfully tests a nuclear device.
1982
* March 23: The Tenth Five-Year Plan is launched.
1983
* December 12: The Movement for the Restoration of Democracy (MRD) is founded.