Whakakiia te rerenga e whai ake nei: I whakatuwherahia a Hamas i muri tata mai, i te 14 o Tihema 1987, i te hanganga i etahi atu whatunga rite ki "al-Mujahidun al-Filastiniun", penei i nga Abdullah Azzam Brigades. I waenganui o te tau 1991, i te wā o te
Ko te Intifada Palestinian Tuatahi (1987-1994), i whakapumautia nga Izz ad-Din al-Qassam Brigades hei whakarato i a Hamas ki te kaha paramilitary, i muri mai ka mohiotia ko te peka patu o Hamas.