Battle of Gaza (2007) were boycotted by both Hamas and Islamic Jihad. The election resulted in PLO and Fatah chairman Mahmoud Abbas being elected President to a four-year term. On 8 February 2005 the Palestinian Authority President Mahmoud Abbas and Israeli Prime Minister Ariel Sharon announced a cease-fire. On 17 March 2005 Hamas endorsed the ceasefire. On 19 March 2005 twelve Palestinian factions, including Fatah, Hamas, Islamic Jihad, Popular Front for the Liberation of Palestine (PFLP) and Democratic Front for the Liberation of Palestine (DFLP) signed the Palestinian Cairo Declaration, which reaffirmed the status of the Palestine Liberation Organization (PLO) as the sole legitimate
President of the State of Palestine time, the PLO that elected him was led by Arafat himself. After Arafat's death in November 2004, the office was vacant. In May 2005, four months after Abbas was elected President of the Palestinian Authority, the PLO Central Council asked Abbas to act as President of State of Palestine. On 23 November 2008, the PLO Central Council formalized the function by electing Abbas President of the State of Palestine. The PLO organs that appointed Abbas in 2005 and 2008 were and still are led by Abbas himself. On 15 November 1988, Yasser Arafat became the symbolic President of the State