Timeline: Ethiopia A chronology of key events:

2nd century AD - Kingdom of Axum becomes a regional trading power.

4th century - Coptic Christianity introduced from Egypt.

1530-31 - Ahmad Gran conquers much of northern Ethiopia.

1818-68 - Lij Kasa conquers Amhara, Gojjam, Tigray and Shoa.

1855 - Kasa becomes Emperor Tewodros II.

1868 - Tewodros defeated by a British expeditionary force and commits suicide to avoid capture.

1872 - Tigrayan chieftain becomes Yohannes IV.

1889 - Yohannes IV killed while fighting Mahdist forces and is succeeded by the king of Shoa, who becomes Emperor Menelik II.

1889 - Menelik signs a bilateral friendship treaty with Italy at Wuchale which Italy interprets as giving it a protectorate over Ethiopia.

1889 - Addis Ababa becomes Ethiopia's capital.

Italy invades

1895 - Italy invades Ethiopia.

1896 - Italian forces defeated by the Ethiopians at Adwa; treaty of Wuchale annulled; Italy recognises Ethiopia's independence but retains control over Eritrea.

1913 - Menelik dies and is succeeded by his grandson, Lij Iyasu.

1916 - Lij Iyasu deposed and is succeeded by Menelik's daughter, Zawditu, who rules through a regent, Ras Tafari Makonnen.

1930 - Zawditu dies and is succeeded by Ras Tafari Makonnen, who becomes Emperor Haile Selassie I.

1935 - Italy invades Ethiopia.

1936 - Italians capture Addis Ababa, Haile Selassie flees, king of Italy made emperor of Ethiopia; Ethiopia combined with Eritrea and Italian Somaliland to become Italian East Africa.

Haile Selassie's reign

1941 - British and Commonwealth troops, greatly aided by the Ethiopian resistance - the arbegnoch - defeat the Italians, and restore Haile Selassie to his throne.

1952 - United Nations federates Eritrea with Ethiopia.

1962 - Haile Selassie annexes Eritrea, which becomes an Ethiopian province.

1963 - First conference of the Organisation of African Unity held in Addis Ababa.

1973-74 - An estimated 200,000 people die in Wallo province as a result of famine.

1974 - Haile Selassie overthrown in military coup. General Teferi Benti becomes head of state.

1975 - Haile Selassie dies in mysterious circumstances while in custody.

1977 - Benti killed and replaced by Colonel Mengistu Haile Mariam.

1977-79 - Thousands of government opponents die in "Red Terror" orchestrated by Mengistu; collectivisation of agriculture begins; Tigrayan People's Liberation Front launches war for regional autonomy.

1977 - Somalia invades Ethiopia's Ogaden region.

1978 - Somali forces defeated with massive help from the Soviet Union and Cuba.

1984-85 - Worst famine in a decade strikes; Western food aid sent; thousands forcibly resettled from Eritrea and Tigre.

1987 - Mengistu elected president under a new constitution.

1988 - Ethiopia and Somalia sign a peace treaty.

After Mengistu

1991 - Ethiopian People's Revolutionary Democratic Front captures Addis Ababa, forcing Mengistu to flee the country; Eritrea establishes its own provisional government pending a referendum on independence.

1992 - Haile Selassie's remains discovered under a palace toilet.

1993 - Eritrea becomes independent following referendum.

1994 - New constitution divides Ethiopia into ethnically-based regions.

1995 - Negasso Gidada becomes titular president; Meles Zenawi assumes post of prime minister.

1998 - Ethiopian-Eritrean border dispute erupts into armed clashes.

War with Eritrea

1999 - Ethiopian- Eritrean border clashes turn into a full-scale war.

2000 June - Ethiopia and Eritrea sign a ceasefire agreement which provides for a UN observer force to monitor the truce and supervise the withdrawal of Ethiopian troops from Eritrean territory.

2000 November - Haile Selassie buried in Addis Ababa's Trinity Cathedral.

2000 December - Ethiopia and Eritrea sign a peace agreement in Algeria, ending two years of conflict. The agreement establishes commissions to delineate the disputed border and provides for the exchange of prisoners and the return of displaced people.

2001 24 February - Ethiopia says it has completed its troop withdrawal from Eritrea in accordance with UN-sponsored agreement.

2002 April - Ethiopia, Eritrea accept a new common border, drawn up by an independent commission, though both sides then lay claim to the town of Badme.

2003 April - Independent boundary commission rules that the disputed town of Badme lies in Eritrea. Ethiopia says the ruling is unacceptable.

2004 January-February - Nearly 200 killed in ethnic clashes in isolated western region of Gambella. Tens of thousands flee area.

2004 March - Start of resettlement programme to move more than two million people away from parched, over-worked highlands.

2004 November - Ethiopia says it accepts "in priniciple" a boundary commission's ruling on its border with Eritrea. But a protracted stalemate over the disputed town of Badme continues.

2005 March - US-based Human Rights Watch accuses army of "widespread murder, rape and torture" against Gambella region's ethnic Anuak people. Military angrily rejects charge.

2005 April - First section of Axum obelisk, looted by Italy in 1937, is returned to Ethiopia from Rome.

Disputed poll

2005 May - Third multi-party elections: Protests over alleged fraud precipitate violent protests in which around 40 people are shot dead.

2005 August-September - Election re-runs in more than 30 seats: Officials say the ruling party gains enough seats to form a government.

2005 November - 46 protesters die in fresh clashes over May's elections. Thousands of people, including opposition politicians and newspaper editors, are detained.

2005 December - International commission, based in The Hague, rules that Eritrea broke international law when it attacked Ethiopia in 1998.

More than 80 people, including journalists and many opposition leaders, are charged with treason and genocide over November's deadly clashes.

2006 May - Six political parties and armed groups form an opposition alliance, the Alliance for Freedom and Democracy, at a meeting in the Netherlands.

Several bomb blasts hit Addis Ababa. No organisation claims responsibility.

2006 August - Several hundred people are feared to have died and thousands are left homeless as floods hits the north, south and east.

Somalia tensions

2006 September - Ethiopia denies that its troops have crossed into Somalia to support the transitional government in Baidoa.

2006 October - UN Secretary General Kofi Annan urges Eritrea to pull back the troops it has moved into the buffer zone on the Ethiopian border. The UN says the incursion is a major ceasefire violation.

War of words between Ethiopia and Islamists controlling much of Somalia. Prime Minister Meles says Ethiopia was "technically" at war with the Islamists because they had declared holy war on his country.

2006 November - A UN report says several countries - including Ethiopia - have been violating a 1992 arms embargo on Somalia by supplying arms to the interim government there. Ethiopia's arch enemy Eritrea is accused of supplying the rival Islamist administration.

Ethiopia and Eritrea reject a proposal put forward by an independent boundary commission as a way around a four-year impasse over the demarcation of their shared border.

2006 December - Exiled former dictator Mengistu Haile Mariam is convicted, in absentia, of genocide at the end of a 12-year trial.