June 4: ISIS fighters close Ramadi dam gates, cut off water to loyalist towns[7]
June 13: Militants attack government forces near Iraq's Baiji refinery, killing 11 near the city of Baiji as part of the battle for control of Iraq's biggest refinery.[8]
July 17: A suicide bomber detonated a car bomb in a marketplace in the city of Khan Bani Saad during Eid al-Fitr celebrations, killing 120–130 people and injuring 130 more. Twenty more people were reported missing after the bombing.[10][11]
July 23: Turkey begins bombing alleged PKK bases in Northern Iraq.
On October 22, Iraqi Security forces and the Popular Mobilization forces finished recapturing the city of Baiji, Iraq, its oil refinery and the surrounding region.