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
Anwar Sadat Begin, considered Sadat a personal friend and insisted on attending the funeral, walking throughout the funeral procession so as not to desecrate the Sabbath. Sadat was buried in the unknown soldier memorial in Cairo, across the street from the stand where he was assassinated. Over three hundred Islamic radicals were indicted in the trial of assassin Khalid Islambouli, including future al-Qaeda leader Ayman al-Zawahiri, Omar Abdel-Rahman, and Abd al-Hamid Kishk. The trial was covered by the international press and Zawahiri's knowledge of English made him the de facto spokesman for the defendants. Zawahiri was released from prison in 1984. Abboud