Siege of Saïo the Italian dictator, Benito Mussolini, proclaimed the colony of "Africa Orientale Italiana" (AOI, Italian East Africa), formed from Ethiopia (after the Italian victory in the Second Italo-Ethiopian War, fought 3 October 1935 – May 1936) and the existing Italian possessions of Italian Eritrea and Italian Somaliland. On 10 June 1940, Mussolini declared war on Britain and France, which made Italian military forces in Libya a threat to Egypt and those in Italian East Africa a danger to the British and French colonies in East Africa. Italian belligerence also closed the Mediterranean to Allied merchant ships and endangered British supply routes
Second Italian War of Independence Second Italian War of Independence The Second Italian War of Independence, also called the Franco-Austrian War, Austro-Sardinian War or Italian War of 1859 (), was fought by the French Empire and the Kingdom of Sardinia against the Austrian Empire in 1859 and played a crucial part in the process of Italian unification. The Piedmontese, following their defeat by Austria in the First Italian War of Independence, recognised their need for allies. This led Camillo Benso, conte di Cavour, the prime minister of the Kingdom of Piedmont-Sardinia, to attempt to establish relations with other European powers, partially through Piedmont's participation in