Italian East Africa Ababa, to proclaim an empire by May 1936, making Ethiopia part of Italian East Africa. The Italian victory in the war coincided with the zenith of the international popularity of dictator Benito Mussolini's Fascist regime, during which colonialist leaders praised Mussolini for his actions. Mussolini's international popularity decreased as he endorsed the annexation of Austria by Nazi Germany, beginning a political tilt toward Germany that eventually led to the downfall of Mussolini and the Fascist regime in Italy in World War II. On 10 June 1940, Italy declared war on Britain and France, which made Italian military forces in Libya
British military post offices in Africa declared that the remaining overprinted stamps were valid for postage throughout the UK, and so many of the surviving stamps have British inland rather than foreign postmarks. The East Africa Forces in Italian Somalia also received British stamps, but overprinted "E.A.F." instead, beginning 15 January 1943. From 1948 on, the military administrations in Eritrea, Somalia, and Tripolitania used their own overprints. British military post offices in Africa The British post offices in Africa were a system of post offices set up by the United Kingdom to be used by its Middle East Forces and East Africa Forces in Africa during