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 1965 Eisenhower told Jewish fundraiser and Republican party supporter Max M. Fisher that he greatly regretted forcing Israel to withdraw from the Sinai peninsula; Vice-President Nixon recalled that Eisenhower expressed the same view to him on several occasions. Lester B. Pearson, who would later become the Prime Minister of Canada, was awarded the Nobel Peace Prize in 1957 for his efforts in creating a mandate for a United Nations Peacekeeping Force, and he is considered the father of the modern concept of peacekeeping. The Suez Crisis contributed to the adoption of a new national flag of Canada in 1965, as