Egypt's second president was Gamal Abdel Nasser, who served from 1956 to 1970. He was a major figure in the 1952 overthrow of the monarchy and the subsequent declaration of the Republic of Egypt. He was also a leader of the Egyptian Revolution of 1952, which aimed to free Egypt from British occupation. Nasser was a popular leader in the Arab world and was seen as a champion of pan-Arabism, socialism, and anti-imperialism. He is remembered for his role in the Suez Crisis of 1956, when he nationalized the Suez Canal and sparked an international crisis. He also played a major role in the Six-Day War of 1967, when he led the Arab forces against Israel.