French Sudan elections held in French Sudan in 1957, the African Democratic Rally ("Rassemblement Démocratique Africain", commonly known as the RDA) won the elections in French Sudan, as well as winning majorities in neighboring Ivory Coast, French Guinea, and the Upper Volta. Following the French constitutional referendum of 1958, of which received an overwhelming majority in support, the "République Soudanaise" declared itself a republic with internal autonomy on 24 November 1958. The Sudanese Republic, as the area was now called, was the second colony after Madagascar to join the French Community, which provided it internal autonomy while linking its currency, foreign policy
Slavery in Sudan kingdoms' fall in 1504, the Ottomans conquered most of Nubia, while the Funj conquered much of modern day Sudan from Darfur to Khartoum ; the Funj began to use slaves in the army in the reign of Badi III (r. 1692-1711). Later, Egyptian slavers began raiding modern South Sudan. In particular, the ruler Muhammad Ali of Egypt attempted to build up an army of Southern Sudanese slaves with the aid of the Nubian slavers. Attempts to ban slavery were later attempted by colonial British authorities in 1899, after they conquered the region. According to British explorer (and abolitionist) Samuel Baker,