From 10 June 1940, when Italy declared war on Britain and France, the Sudan Defence Force was on the defensive against attacks into the Sudan from Italian East Africa ("Africa Orientale Italiana", or AOI).
From 10 June 1940, when Italy declared war on Britain and France, the Sudan Defence Force was involved in the East African Campaign. At first, the SDF wnt on the defensive against attacks into the Sudan from Italian East Africa ("Africa Orientale Italiana", or AOI).