Some of the deadliest militant attacks in Iraq since the U.S.-led invasion in March 2003:
- Oct. 25, 2009 -- Two powerful car bombs explode in downtown Baghdad, killing at least 147 people in an apparent attempt to target the fragile city's government offices.
- Aug. 14, 2007 -- Four suicide truck bombs detonate simultaneously in the small village of Qahataniya, killing more than 500 Yazidis, a small Kurdish-speaking sect and religious minority.
- July 7, 2007 -- A suicide truck bomb kills 160 in a Turkomen village south of Kirkuk.
- April 18, 2007 -- At least 183 are killed when four large bombs explode in mainly Shiite locations of Baghdad.
- March 27, 2007 -- Truck bombs hit markets in the northwestern city of Tal Afar, killing at least 152 people.
- Feb. 3, 2007 -- A suicide truck bomber at a market in a predominantly Shiite area of Baghdad kills 137.
- Nov. 23, 2006 -- Mortar rounds and five car bombs kill 215 people in Baghdad's Shiite neighbourhood of Sadr City.
- Sept. 14, 2005 -- More than a dozen co-ordinated bombings rip through Baghdad, killing 178 people.
- March 2, 2004 -- Coordinated blasts from suicide bombers, mortars and planted explosives strike Shiite Muslim shrines in Karbala and in Baghdad, killing at least 181 people.