Postage stamps and postal history of French Sudan 1931 became the most common. They include a Fulani milkmaid, the door of the Djenne residence, and a boatman on the river Niger. From 1944 to 1959, the French West Africa issues were used in the French Sudan. Various territories were joined in 1895 by the French colonial authorities in a federation known as French West Africa (AOF). These territories included Mauritania, Senegal, French Sudan (now Mali), French Guinea (now Guinea), Côte d'Ivoire, Niger, Upper Volta (now Burkina Faso) and Dahomey (now Benin). The French colonial territories in the federation issued their own postage stamps until 1943. In many cases
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,