SUDAN Prime ministers Abd ar-Rahman al-Mahdi 1885-1959 Prime minister 1951-53 Ismail al-Ashari 1902-1969 Prime minister 1954-56 Abd Allah Khalil 1888-1970 Prime minister 1956-58 Ibrahim Abboud 1900-1983 Prime minister 1958-1964 Sirr Al-Khatim Khalifah 1919-2006 President 1964-65 Muhammad Ahmad Mahgoub 1908-1976 Prime minister 1967-69 Sadiq al-Mahdi 1935 Prime minister 1966-67 Muhammad Ahmad Mahgub 1908-1976 Prime minister 1967-69 Abu Bakr Awadalla 1917 Prime minister 1967 Gaafar al-Nimeiry 1930-2009 Prime minister 1969-76 Rashid al-Bakr 1930 Prime minister 1976-77 Gaafar al-Nimeiry 1930-2009 Prime minister 1977-85 al-Jazuli Daf`allah 1935 Prime minister 1985-86 Sadiq al-Mahdi 1936 Prime minister 1986-89