1936    Italian troops occupy Addis Ababa, Ethiopia.

1936    Italy formally annexes Ethiopia after taking the capital Addis Ababa on May 5.

1937    During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Eritrean nationalists attempt to kill viceroy Rodolfo Graziani with a number of grenades.

1963    In Addis Ababa, Ethiopia, the Organisation of African Unity is established.

1991    The capital city of Addis Ababa, falls to the Ethiopian People's Revolutionary Democratic Front, ending both the Derg regime in Ethiopia and the Ethiopian Civil War.

2002    The African Union is established in Addis Ababa, Ethiopia. Its first chairman is Thabo Mbeki, President of South Africa.