History of Egypt Yemen) known as the United Arab States. In the 1967 Six-Day War, Israel invaded and occupied Egypt's Sinai Peninsula and the Gaza Strip, which Egypt had occupied since the 1948 Arab–Israeli War. Three years later (1970), President Nasser died and was succeeded by Anwar Sadat. Sadat switched Egypt's Cold War allegiance from the Soviet Union to the United States, expelling Soviet advisors in 1972. He launched the Infitah economic reform policy, while clamping down on religious and secular opposition. In 1973, Egypt, along with Syria, launched the October War, a surprise attack against the Israeli forces occupying the Sinai Peninsula
Anwar Sadat for many years after, Sadat was known as the "Hero of the Crossing". Israel recognized Egypt as a formidable foe, and Egypt's renewed political significance eventually led to regaining and reopening the Suez Canal through the peace process. His new peace policy led to the conclusion of two agreements on disengagement of forces with the Israeli government. The first of these agreements was signed on 18 January 1974, and the second on 4 September 1975. One major aspect of Sadat's peace policy was to gain some religious support for his efforts. Already during his visit to the US in October–November