Sinai Peninsula the boundary between Egyptian territory in Africa and the Sinai Peninsula. Thereafter, Israeli ships were prohibited from using the Canal, owing to the state of war between the two states. Egypt also prohibited ships from using Egyptian territorial waters on the eastern side of the peninsula to travel to and from Israel, effectively imposing a blockade on the Israeli port of Eilat. In October 1956, in what is known in Egypt as the Tripartite Aggression, Israeli forces, aided by Britain, and France (which sought to reverse the nationalization and regain control over the Suez Canal), invaded Sinai and occupied much
Suez Crisis the country as well as the canal proper, and its finances and operations. The 1888 Convention of Constantinople declared the canal a neutral zone under British protection. In ratifying it, the Ottoman Empire agreed to permit international shipping to pass freely through the canal, in time of war and peace. The Convention came into force in 1904, the same year as the "Entente cordiale" between Britain and France. Despite this convention, the strategic importance of the Suez Canal and its control were proven during the Russo-Japanese War of 1904–1905, after Japan and Britain entered into a separate bilateral agreement. Following