Arab world Nejd and Hejaz from 1927 until it was further consolidated with Al-Hasa and Qatif into the Kingdom of Saudi Arabia in 1932. The establishment of the State of Israel in 1948 has given rise to the Arab–Israeli conflict, one of the major unresolved geopolitical conflicts. The Arab states in changing alliances were involved in a number of wars with Israel and its western allies between 1948 and 1973, including the 1948 Arab–Israeli War, the 1956 Suez Crisis, the Six-Day War of 1967, and the Yom Kippur War of 1973. An Egypt–Israel Peace Treaty was signed in 1979. The Iran–Iraq War
1948 Arab–Israeli War and ill-equipped Jews fighting off the massed strength of the invading Arab armies; it was also widely believed that the Palestinian Arabs left their homes on the instruction of their leaders. From 1980, with the opening of the Israeli and British archives, some Israeli historians have developed a different account of the period. In particular, the role played by Abdullah I of Jordan, the British government, the Arab aims during the war, the balance of force and the events related to the Palestinian exodus have been nuanced or given new interpretations. Some of them are still hotly debated among historians