[3] On 3 May 1972, the Addis Ababa agreement was ratified as "The Southern Provinces Regional Self-Government Act 1972", bringing an end to the First Sudanese Civil War.
[4] Samuel Aru Bol was made vice-president of the High Executive Council (HEC), the government of the autonomous southern Sudan.
[6] On 4 January 1982, he was among 21 leading politicians who were arrested in Juba, charged with forming an illegal party, the "Council for Unity of Southern Sudan".
[4] After Nimeiri was ousted in the coup of April 1985, Samuel Aru Bol was appointed Deputy Prime Minister in the Transitional Military Government of President Sowar al-Dahab.
[5] From 1994 to 1998, Samuel Aru Bol spent time in Nairobi, Kenya with John Garang, leader of the Sudan People's Liberation Movement/Army.