12 January – the Ethiopian Revolution begun when Ethiopian soldiers rebelled in Negele Borana.[1]
18 February – Nationwide protests surged in Addis Ababa by students, teachers, workers, taxi drivers and white collar workers.[1]
28 April – by order of Haile Selassie asked Prime Minister Aklilu Habte-Wold to resign from office and instead installed liberal aristocrat Endelkachew Mekonnen as the new Prime Minister.[1]
June – the Coordinating Committee of the Armed Forces, also known as the Derg, established to seize the power of the emperor.[1]
22 July – Endalkachew resigned replaced by Mikael Imru, a progressive aristocrat.[1]
1 August – Endalkachew was arrested by the Derg.[1]
12 September – Coup d'état of Haile Selassie resulted his imprisonment at National Palace in Addis Ababa, stayed until his death on 27 August 1975.[1]