1919 - Afghanistan regains independence after third war against British forces trying to bring country under their sphere of influence.
1926 - Amanullah proclaims himself king and attempts to introduce social reforms leading to opposition from conservative forces.
1929 - Amanullah flees after civil unrest over his reforms.
1933 - Zahir Shah becomes king and Afghanistan remains a monarchy for next four decades.
1953 - General Mohammed Daud becomes prime minister. Turns to Soviet Union for economic and military assistance. Introduces a number of social reforms, such as abolition of purdah (practice of secluding women from public view).
1963 - Mohammed Daud forced to resign as prime minister.
1964 - Constitutional monarchy introduced - but leads to political polarisation and power struggles.
1973 - Mohammed Daud seizes power in a coup and declares a republic. Tries to play off USSR against Western powers. His style alienates left-wing factions who join forces against him.
1978 - General Daud is overthrown and killed in a coup by leftist People's Democratic Party. But party's Khalq and Parcham factions fall out, leading to purging or exile of most Parcham leaders. At the same time, conservative Islamic and ethnic leaders who objected to social changes begin armed revolt in countryside.
1979 - Power struggle between leftist leaders Hafizullah Amin and Nur Mohammed Taraki in Kabul won by Amin. Revolts in countryside continue and Afghan army faces collapse. Soviet Union finally sends in troops to help remove Amin, who is executed.
1980 - Babrak Karmal, leader of the People's Democratic Party Parcham faction, is installed as ruler, backed by Soviet troops. But anti-regime resistance intensifies with various mujahedin groups fighting Soviet forces. US, Pakistan, China, Iran and Saudi Arabia supply money and arms.
1985 - Mujahedin come together in Pakistan to form alliance against Soviet forces. Half of Afghan population now estimated to be displaced by war, with many fleeing to neighbouring Iran or Pakistan. New Soviet leader Mikhail Gorbachev says he will withdraw troops from Afghanistan.
1986 - US begins supplying mujahedin with Stinger missiles, enabling them to shoot down Soviet helicopter gunships. Babrak Karmal replaced by Najibullah as head of Soviet-backed regime.
1988 - Afghanistan, USSR, the US and Pakistan sign peace accords and Soviet Union begins pulling out troops.
1989 - Last Soviet troops leave, but civil war continues as mujahedin push to overthrow Najibullah.
1991 - US and USSR agree to end military aid to both sides.
1992 - Resistance closes in on Kabul and Najibullah falls from power. Rival militias vie for influence.
1993 - Mujahedin factions agree on formation of a government with ethnic Tajik, Burhanuddin Rabbani, proclaimed president.
1994 - Factional contests continue and the Pashtun-dominated Taleban emerge as major challenge to the Rabbani government.
1996 - Taleban seize control of Kabul and introduce hardline version of Islam, banning women from work, and introducing Islamic punishments, which include stoning to death and amputations. Rabbani flees to join anti-Taleban northern alliance.
1997 - Taleban recognised as legitimate rulers by Pakistan and Saudi Arabia. Most other countries continue to regard Rabbani as head of state. Taleban now control about two-thirds of country.
1998 - Earthquakes kill thousands of people. US launches missile strikes at suspected bases of militant Osama bin Laden, accused of bombing US embassies in Africa.
1999 - UN imposes an air embargo and financial sanctions to force Afghanistan to hand over Osama bin Laden for trial.
2001 January - UN imposes further sanctions on Taleban to force them to hand over Osama bin Laden.
2001 March - Taleban blow up giant Buddha statues in defiance of international efforts to save them.
2001 April - Mullah Mohammad Rabbani, the second most powerful Taleban leader after the supreme commander, Mullah Mohammad Omar, dies of liver cancer.
2001 May - Taleban order religious minorities to wear tags identifying themselves as non-Muslims, and Hindu women to veil themselves like other Afghan women.