1973 - Mohammed Daud seizes power in a coup and declares a republic. Tries to play off USSR against Western powers.
1978 - General Daud is overthrown and killed in a pro-Soviet coup. The People's Democratic Party comes to power but is paralysed by violent infighting and faces opposition by US-backed mujahideen groups.
Soviet intervention
1979 December - Soviet Army invades and props up communist government.
1980 - Babrak Karmal installed as ruler, backed by Soviet troops. But opposition intensifies with various mujahideen groups fighting Soviet forces. US, Pakistan, China, Iran and Saudi Arabia supply money and arms to the mujahideen.
1985 - Mujahideen 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.
1986 - US begins supplying mujahideen 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.
Red Army quits
1989 - Last Soviet troops leave, but civil war continues as mujahideen push to overthrow Najibullah.
1992 - Najibullah's government toppled, but a devastating civil war follows.
1996 - Taliban seize control of Kabul and introduce hard-line version of Islam, banning women from work, and introducing Islamic punishments, which include stoning to death and amputations.
1997 - Taliban recognised as legitimate rulers by Pakistan and Saudi Arabia. They now control about two-thirds of country.
1998 - 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 September - Ahmad Shah Masood, leader of the main opposition to the Taliban - the Northern Alliance - is assassinated.
