However , the Italian commander , Amedeo , Duke of Aosta , was forced to surrender in 1941 .
In the 20th century , the Italians waged the East African Campaign of World War II .
The Italians commander , Amedeo , Duke of Aosta , was forced to surrender in 1941 .
In the 20th century , the Italians waged the East African Campaign of World War II .