At least 40 people were killed and 57 more were wounded in a string of uncoordinated attacks that, nevertheless, seemed to take advantage of shoppers.
A bomb killed 23 people and wounded 27 more at a market in Samarra.
In Abu Ghraib, six people were killed and 15 more were wounded in a car bomb blast at a market. A roadside bomb killed one person and wounded three more.
In Mosul, an off-duty policeman was shot dead. Gunmen killed a soldier and wounded another at a checkpoint. A Shabak man was shot dead.
A bomb in Tal Afar killed three people, including a policeman.
A civilian was gunned down near a market in Basra.
A suicide bomber killed one person and wounded eight more in Hammam al-Alil.
In Hilla, a militant was killed and two more were wounded as they were planting a bomb.
In Baghdad, a sticky bomb wounded a civilian.