The term Palestinian Group refers to two organizations: Fatah (5 letters) and Al-Fatah (7 letters). Fatah is a Palestinian nationalist political party founded in 1959 by Yasser Arafat and other Palestinian leaders. It is the largest and most influential Palestinian political party and has been the ruling party of the Palestinian Authority since its establishment in 1994. Al-Fatah is a militant organization that was founded in 1965 by Yasser Arafat and other Palestinian leaders. It is the military wing of Fatah and has been involved in numerous armed conflicts with Israel.