order, and could no longer command what remained of the army. Washington then cleared the way for the rebels to take over the capital on May 28. Leaders Presidents Mengistu Haile Mariam (September 10, 1987 – May 21, 1991) Tesfaye Gebre Kidan (acting; May 21, 1991 – May 28, 1991) Prime Ministers Fikre Selassie Wogderess (September 10, 1987 – November 8, 1989) Hailu Yimenu (acting; November 8, 1989 – April 26, 1991) Tesfaye Dinka (acting; April 26, 1991 – June 6, 1991) See also 1987 Constitution of Ethiopia Ethiopian general election, 1987 References 20th century in Ethiopia Communism in Ethiopia Government of Ethiopia Ethiopia Ethiopia Ethiopia Political history of Ethiopia Ethiopian Civil War Ethiopia Ethiopia 1987 establishments in Ethiopia 1990s disestablishments in Ethiopia Totalitarian states