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
Suez Crisis Nasser when he learned of the Anglo-American withdrawal of aid for the Aswan Dam. As India was a user of the canal, however, he remained publicly neutral other than warning that any use of force, or threats, could be "disastrous". Suez was also very important to Ceylon's economy, and it was renegotiating defense treaties with Britain, so its government was not as vocal in supporting Egypt as it would have been otherwise. Pakistan was also cautious about supporting Egypt given their rivalry as leading Islamic nations, but its government did state that Nasser had the right to nationalise. On 1