Anwar Sadat of Nasserism, re-instituting a multi-party system, and launching the Infitah economic policy. As President, he led Egypt in the Yom Kippur War of 1973 to regain Egypt's Sinai Peninsula, which Israel had occupied since the Six-Day War of 1967, making him a hero in Egypt and, for a time, the wider Arab World. Afterwards, he engaged in negotiations with Israel, culminating in the Egypt–Israel Peace Treaty; this won him and Israeli Prime Minister Menachem Begin the Nobel Peace Prize, making Sadat the first Muslim Nobel laureate. Although reaction to the treaty—which resulted in the return of Sinai to Egypt—was generally
Terrorism in Egypt al-Gama'a al-Islamiyya. He issued a fatwa sanctioning "the robbery and killing of Copts in furtherance of the jihad". By 1981 President Anwar Sadat had become unpopular among Egyptians and enraged Islamists by signing a peace treaty with Israel. On 6 October 1981, Sadat and six diplomats were assassinated while observing a military parade commemorating the eighth anniversary of the October 1973 War. Lieutenant Colonel Khalid Islambouli and two other members of the Tanzim al-Jihad movement fired machine guns and threw grenades into the reviewing stand. In conjunction with the assassination of Sadat, Tanzim al-Jihad began an insurrection in Asyut in