In the early morning of 1 September 1969, a group of military officers took over the government in a coup d'état. Colonel Muammar al-Gaddafi was named as chief of staff of the military. From 1970-1972 he served as Prime Minister. He began a political system named "The Third Universal Theory". This is a mix of socialism and Islam, based on tribal government. It was to be put in place by the Libyan people themselves in a unique form of "direct democracy." Al-Gaddafi called this "jamahiriya".