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
French colonial empire "In an effort to restore its world-power status after the humiliation of defeat and occupation, France was eager to maintain its overseas empire at the end of the Second World War." However, after 1945 anti-colonial movements began to challenge European authority. The French constitution of 27 October 1946 (Fourth Republic), established the French Union which endured until 1958. Newer remnants of the colonial empire were integrated into France as overseas departments and territories within the French Republic. These now total altogether 119,394 km² (46,098 sq. miles), which amounts to only 1% of the pre-1939 French colonial empire's area, with 2.7