At least 134 people were killed and 23 were wounded.
Eleven Peshmerga members were killed in an attack on the Mosul Dam that also left dozens of militants dead.
A booby-trapped building in al-Dour left three volunteer fighters dead and seven wounded.
In Qayara, three security personnel were executed by hanging. An airstrike left four militants dead.
In Baghdad, a dumped body was found. Gunmen killed a civilian. Baghdad Operations Command killed 54 militants and wounded seven more.
A suicide bomber wounded six people at a coffee shop in Baquba.
In Tuz, gunmen killed a civilian. A roadside bomb injured a woman.
Militants kidnapped 172 people in Falluja and accused them of working with security forces.
Sixteen militants were killed in Tikrit.
Security forces killed 10 militants who were trying to blow up a bridge in Salah ad Din province.
An airstrike in Alous killed a militant commander and wounded six aides. A “military prince was also killed.”
In Sinjar, three militants were killed during clashes and one more was wounded.
Four militants died under mysterious circumstances in Hibnis.
In Rawa, a sticky bomb killed three militant officials.
Three militants were killed during an airstrike in Mosul. Another seven were also killed.
Kirkuk police killed one gunman and wounded another.
Several militants were killed in Garma.