Question: What Emperor, who was a member of the Solomonic Dynasty, proclaimed a revised constitution in November 1955 of the Empire of Ethiopia?
Sentence (from "Haile Selassie"): He also served as Chairperson of the Organisation of African Unity from 25 May 1963 to 17 July 1964 and 5 November 1966 to 11 September 1967.
Relevant evidence: No