Port Said the Anglo-Egyptian Treaty of 1936. It stipulated the British pledge to withdraw all their troops from Egypt, except those necessary to protect the Suez Canal and its surroundings. Following World War II, Egypt denounced the Treaty of 1936, leading to skirmishes with British troops guarding the Canal in 1951. The Egyptian Revolution of 1952 occurred. Then in 1956, President Gamal Abdel Nasser nationalised the Suez Canal Company. The nationalisation escalated tension with Britain and France, who colluded with Israel to invade Egypt, the invasion known in Egypt as the tripartite aggression or the Suez Crisis. The main battles occurred in
Suez Crisis turned away from acting as a great imperial power. During the 1960s there was much speculation that Prime Minister Harold Wilson's continued refusals to send British troops to Vietnam, even as a token force, despite President Lyndon B. Johnson's persistent requests, were partially due to the Americans failing to support Britain during the Suez Crisis. Edward Heath was dismayed by the U.S. opposition to Britain during the Suez Crisis; as Prime Minister in October 1973 he refused the U.S. permission to use any of the UK's air bases to resupply during the Yom Kippur War, or to allow the Americans