20th century in Eritrea

Italian possession in East Africa between 1936 and 1941

The Derg or Dergue (, ), officially the Provisional Military Administrative Council (PMAC), and also often simply known as Socialist Ethiopia, was the military junta that ruled Ethiopia, including present-day Eritrea, from 1974 to 1987, when they formally "civilianized" the administration, though remaining in power until 1991.

1961–1991 conflict within Ethiopia