Assassination of Anwar Sadat them into Egyptian society, Egypt's Islamists now felt betrayed and publicly called for the overthrow of the Egyptian president and the replacement of the nation's system of government with a government based on Islamic theocracy. The last months of Sadat's presidency were marked by internal uprising. Sadat dismissed allegations that the rioting was incited by domestic issues, believing that the Soviet Union was recruiting its regional allies in Libya and Syria to incite an uprising that would eventually force him out of power. Following a failed military coup in June 1981, Sadat ordered a major crackdown that resulted in the
President of Egypt Prime Minister in the process of presidential succession, when the former post of Vice President still existed it was a tradition for the People's Assembly to nominate the vice-president for the vacant office of the president. Both Sadat and Mubarak served as vice-presidents at the time the presidential office became vacant, however on Mubarak's succession in 1981 as president he did not appoint a vice-president until 29 January 2011 when during substantial protests demanding reforms he appointed Omar Suleiman to the role. President Gamal Abdel Nasser submitted his resignation after the overwhelming Egyptian defeat in 1967 war with Israel, before