Attack on the United States embassy in Addis Ababa
The attack on the United States embassy in Addis Ababa was an assault against the chancery of the embassy of the United States to the Ethiopian Empire by shiftas. It occurred in early May 1936 following the collapse of the Ethiopian government and the departure of Emperor Haile Selassie from the city prior to the Italian conquest of Addis Ababa.
Source: Wikipedia — Attack on the United States embassy in Addis Ababa (CC BY-SA 4.0)