—March 20, 2012: Insurgents bent on derailing an Arab League meeting in Baghdad kill 46 in attacks on Shiite pilgrims in the holy city of Karbala, bombings in Kirkuk, and strikes on security and government officials around the country.
—Feb. 23, 2012: Attackers kill at least 55 as car bombs go off near an elementary school in the town of Musayyib, a restaurant in a Shiite neighborhood in Baghdad, and various checkpoints and secure areas.
—Jan. 28, 2012: A suicide car bomber strikes a Shiite funeral procession, killing 33 in southwestern Baghdad.
—Jan. 14, 2012: A bomb tears through a procession of Shiite pilgrims in southern Iraq, killing at least 53.
—Jan. 5, 2012: Coordinated bombings target Shiite Muslims, killing 78 in Baghdad and near the southern city of Nasiriyah, just days before a Shiite holy day.
—Dec. 22, 2011: Attackers hit markets, cafes and government buildings in mostly Shiite neighborhoods of Baghdad, killing 69 people.
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