Sinai Peninsula and controlled by foreign empires, in more recent history the Ottoman Empire (1517–1867) and the United Kingdom (1882–1956). Israel invaded and occupied Sinai during the Suez Crisis (known in Egypt as the "Tripartite Aggression" due to the simultaneous coordinated attack by the UK, France and Israel) of 1956, and during the Six-Day War of 1967. On 6 October 1973, Egypt launched the Yom Kippur War to retake the peninsula, which was unsuccessful. In 1982, as a result of the Israel–Egypt Peace Treaty of 1979, Israel withdrew from all of the Sinai Peninsula except the contentious territory of Taba, which was
Egyptian Army Officers, led by Muhammad Naguib and Gamal Abdel Nasser, overthrew King Farouk in the Egyptian Coup d'etat of 1952. The Free Officers then concluded the Anglo–Egyptian Agreement of 1954, with Great Britain. This agreement stated Britain would withdraw its troops based in the Suez Canal. During the Cold War, the army actively fought in the Suez Crisis, known in Egypt and the Arab World as the "Tripartite Aggression", the North Yemen Civil War from 1962 to 1967, and the 1967 Six-Day War. Just before the Suez Crisis, politics rather than military competence was the main criterion for promotion. The Egyptian