Southern Sudan Autonomous Region (1972–1983)
The Southern Sudan Autonomous Region was an autonomous region that existed in southern Sudan between 1972 and 1983. It was established on 28 February 1972 by the Addis Ababa Agreement which ended the First Sudanese Civil War. The region was abolished on 5 June 1983 by the administration of Sudanese President Gaafar Nimeiry. Revocation of southern autonomy was one of the causes of the Second Sudanese Civil War which would continue until January 2005, when southern autonomy was restored; the region became the independent Republic of South Sudan in 2011.
Government and politics
The autonomous region consisted of the three provinces of Equatoria, Bahr al-Ghazal, and Greater Upper Nile. Juba was the regional capital.Executive
Southern Sudan was governed by a High Executive Council which was led by a President of the High Executive Council. Abel Alier was the first President, holding that post between 1972 and 1978.Legislature
Legislative authority was vested in a People's Regional Assembly.;Speakers
| Name | Took office | Left office | Notes |
| Lubari Ramba | 15 December 1973 | 15 December 1975 | Speaker People's Regional Assembly |
| Hilary Logali | December 1975 | December 1977 | Speaker People's Regional Assembly |
| Uncle Clement Mboro | July 1978 | 18 July 1979 | Speaker People's Regional Assembly |
| Isaiah Kulang | 18 July 1979 | 4 February 1980 | Speaker People's Regional Assembly |
| Angelo Beda | 30 May 1980 | 5 June 1981 | Speaker People's Regional Assembly |
| Mathew Obur | 23 June 1982 | 1983 | Speaker People's Regional Assembly |