Emperor: Haile Selassie I (until 12 September), Amha Selassie (starting 12 September) Prime Minister: until 1 March: Aklilu Habte-Wold 1 March-22 July: Endelkachew Makonnen 22 July-3 August: vacant 3 August-12 September: Mikael Imru starting 12 September: post abolished