1700s – Migrants establish pearling and trading settlements along the coast of present-day Qatar.
1867 – Conflict with neighbouring Bahrain over territorial claims; Doha is all but destroyed.
1871-1913 – Turkish Ottoman forces establish a garrison at the emir’s invitation.
1916 – Deal signed under which Britain controls Qatar’s external affairs in return for guaranteeing its protection.
1939 – Oil reserves discovered. Exploitation is delayed by World War II, but oil comes to replace pearling and fishing as Qatar’s main source of revenue.
1950s – Oil revenues fund the expansion and modernisation of Qatar’s infrastructure.
1968 – Britain announces that it will withdraw its forces from the Gulf; Qatar negotiates with Bahrain and present-day United Arab Emirates on forming a federation.
1971 – Qatar becomes independent on 3 September.
1972 – Khalifa bin Hamad Al Thani takes power in a palace coup after infighting in the ruling family.
1995 – Sheikh Khalifa deposed by his son, Hamad, in a bloodless coup.
1996 – Al-Jazeera satellite TV launches, as an independent channel funded by the emir. Based in Qatar but broadcasting to much of the Arab world, it establishes a reputation for its news coverage and willingness to tackle controversial issues.
1999 – Municipal elections, the first democratic polls since 1971, mark the start of a democratisation programme.
2000 February – A cousin of the emir and 32 other people are jailed for life for planning a foiled coup in 1996.
2001 March – Qatar settles long-running border disputes with Saudi Arabia and Bahrain.