Suez Crisis led to a withdrawal. U.S. President Dwight D. Eisenhower had strongly warned Britain not to invade; he threatened serious damage to the British financial system by selling the US government's pound sterling bonds. Historians conclude the crisis "signified the end of Great Britain's role as one of the world's major powers". The Suez Canal was closed from October 1956 until March 1957. Israel fulfilled some of its objectives, such as attaining freedom of navigation through the Straits of Tiran, which Egypt had blocked to Israeli shipping since 1950. As a result of the conflict, the United Nations created the UNEF
Mohamed Hussein Tantawi Nubian origin, joined the Egyptian Military Academy in 1952 and received his commission as an Army officer on 1 April 1955 in the infantry. Later that year he took part in the Suez War (or the Tripartite Aggression as it is often known in Egypt) as an infantry platoon commander. He was promoted to Major in 1961 and commanded an infantry company in Yemen during the North Yemen Civil War. Later in his career he was involved in the Six-Day War of 1967 as a Lt.Colonel and Battalion commander, the War of Attrition of 1967–1970, and the October or "Yom