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Establishment
Abu Musab al Zarqawi forms al Qaeda in Iraq -
Death of Zarqawi
Zarqawi is killed in a U.S. strike and then Abu Ayyub al Masri takes his place. -
Formation of Islamic State in Iraq (ISI)
al Masri announces the establishment of the Islamic State. Abu Omar al Baghdadi took the role of leader. -
Depletion of ISI
ISI had lost many members. By early 2008, 2,400 ISI members had been killed and 8,800 were captured, out of 15,000 members. -
Islamic State in Iraq and Syria (ISIS)
Baghdadi moves from Iraq to Syria. Julani of Syria denies the alliances offer and fell under allegiance to al Qaeda. -
Shaer gas field
ISIS attacks the Shaer gas field and kills 270 people. -
Ramadi
ISIS take overs Ramadi, Iraq. -
Shiite mosque
ISIS claims responsibility for the suicide attacks on a Shiite mosque in eastern Saudi Arabia, which killed 21 people and injured more than 100. -
Khan Hospital
4 Islamic State (IS) militants attacked Sardar Mohammad Daud Khan hospital, the largest military hospital in Kabul, killing more than 30 people and injuring more than 50. -
Battle of Tabqa
Anti-ISIL forces retake control of Tabqa and the Tabqa Dam from ISIL in the Battle of Tabqa. (Islamic State of Iraq and the Levant) -
Rawa
Iraqi forces recapture Rawa, the last town held by ISIL in Iraq.
