June 4: ISIS fighters close Ramadi dam gates, cut off water to loyalist towns[8]
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.[9]
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.[11][12]
July 23: Turkey begins bombing alleged PKK bases in Northern Iraq.
This section needs expansion. You can help by adding to it. (August 2015)
=== August 1 === Kurdish Peshmerga forces launched a new offensive against ISIS near Kirkuk and Sinjar. The US-led coalition conducted multiple airstrikes around Mosul targeting ISIS facilities.[13]
=== August 2 === Iraqi forces advanced south of Ramadi in Anbar Province with support from US airstrikes. Prime Minister Haider al-Abadi announced an upcoming major reform plan amid widespread anti-corruption protests.[14]
=== August 3 === On the anniversary of the Yazidi genocide, UN officials reaffirmed that ISIS crimes against the Yazidis constitute genocide. Kurdish forces fortified Sinjar Mountain against possible ISIS attacks.[15]
=== August 4 === ISIS executed dozens of civilians in Falluja for allegedly collaborating with Iraqi forces. Anti-government protests intensified in Baghdad amid a severe heatwave.[16]
=== August 5 === Iraqi forces made limited advances around Haditha in Anbar Province. Shiite militias under the Popular Mobilization Forces launched operations west of Baghdad targeting ISIS cells.[17]
=== August 6 === Coalition airstrikes targeted ISIS positions in Mosul, reportedly causing heavy casualties. Political pressure mounted on Prime Minister Abadi to implement reforms.[18]
=== August 7 === Thousands of protesters gathered in Tahrir Square, Baghdad, demanding an end to sectarian quotas and systemic corruption. Grand Ayatollah Ali al-Sistani publicly endorsed the protests.[19]
=== August 8 === Prime Minister Abadi presented a seven-point reform plan, including ending sectarian quotas and downsizing the government. ISIS shelled Kurdish-held villages near Kirkuk.[20]
=== August 9 === Iraqi Parliament voted unanimously to approve Abadi’s proposed reforms. Mass rallies across the country showed rare unity among different ethnic and sectarian groups.[21]
=== August 10 === The Iraqi government began abolishing senior governmental posts, including the positions of vice presidents and deputy prime ministers. ISIS executed alleged defectors in Mosul.[22]
=== August 11 === Iraqi forces retook the University of Anbar in Ramadi. ISIS counterattacks south of Mosul were repelled by Kurdish forces.[23]
=== August 12 === Fresh protests erupted in Baghdad, calling for reforms within the judiciary system. ISIS car bomb attacks killed dozens in mainly Shiite areas of the capital.[24]
=== August 13 === ISIS suicide bombers attacked a Shiite mosque in Baqubah, Diyala province, killing at least 20 people. Iraqi forces consolidated control over key supply routes in Anbar Province.[25]
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.