Addis Ababa
Italian occupation (1936–1941)

Following all the major engagements of their invasion, the Italian troops from the colony of Eritrea entered Addis Ababa on 5 May 1936. Along with Dire Dawa, the city had been spared the aerial bombardment (including the use of chemical weapons such as mustard gas) practiced elsewhere in Ethiopia. This also allowed its railway to Djibouti to remain intact. After the occupation, the city served as the Duke of Aosta 's capital for unified Italian East Africa until 1941, when it was abandoned in favor of Amba Alagi and other redoubts during the Second World War 's East African Campaign. According to Soviet estimates, 15,000 Ethiopians casualties were victims of chemical weapons, especially by sulfur mustard.

The Italian ambition regarding Addis Ababa was to create a beautified colonial capital city along with a new master plan launched by seven architects such as Marcello Piacentini, Alessandro Bianchi, Enrico Del Debbio, Giuseppe Vaccaro, Le Corbusier, Ignazio Guidi and Cesare Valle. Despite contradictory and different ideas for each other, the plan was intended to focus on the general architectural plan of the city. Two preparations were approved from the master plan: the Le Corbusier and Guidi and Valle. During an invitation to Mussolini, the French Swiss architect Le Corbusier illustrated the master plan in a guideline sketch involving a traversing route monumental structure by a grand boulevard across the city from north to south, as he extracted from his 1930–1933 Radiant City concept. His two counterparts, Guildi and Valle prepared the master plan in summer 1936 likely emphasizing fascist ideology with monumental structure and no native Ethiopian participation in designing sector. Two parallel axis were drawn in European character connecting Arada /Giyorgis with the railway station to the south end five kilometers long and varied width spanning from 40 to 90 meters.

On 5 May 1941, the city was liberated by Major Orde Wingate and Emperor Haile Selassie for Ethiopian Gideon Force and Ethiopian resistance in time to permit Emperor Haile Selassie's return on 5 May 1941, five years to the day after he had left.
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