Major attacks in Iraq since Jan. 1, when a new U.S.-Iraqi security pact took effect:

-- Oct. 25 -- Two powerful car bombs explode in downtown Baghdad, killing at least 106 people in an apparent attempt to target the fragile city's government offices.

-- Aug. 19 -- A series of bombings against ministries kills 102 people, including 65 at the Foreign Ministry, 28 at the Finance Minister and 8 at the Health Ministry. More than 500 are wounded in the attacks.

-- Aug. 7 -- A suicide truck bomb targets a Shiite mosque in a northern suburb of Mosul, flattening the mosque and killing at least 44 people. The attack also injures more than 200 people. Bombings against Shiite pilgrims in Baghdad kill seven.

-- June 24 -- Bomb rips through crowded market in Baghdad's Sadr City, killing 78.

-- May 20 -- A parked car bomb explodes near several restaurants in northwest Baghdad, killing 41.

--April 29 -- Twin car bombing in a popular shopping area in Sadr City, the biggest Shiite district in Baghdad, kills 51 people.

-- April 24 -- Back-to-back female suicide bombings kill 71 people outside the most important Shiite shrine in Baghdad in Kazimiyah.

-- April 23 -- Suicide bomber strikes restaurant in Muqdadiyah, kills at least 53, including 44 Iranian pilgrims, three Iraqis and six burned beyond recognition bodies.

-- March 10 -- Suicide bomber targets tribal leaders at market in Abu Ghraib, killing 33.

-- March 8 -- Suicide bomber strikes police academy in Baghdad, killing at least 30.

-- Feb. 13 -- Female suicide bomber targets Shiite pilgrims in Musayyib, killing 40.

-- Jan. 4 -- Female suicide bomber strikes Shiite pilgrims in Baghdad, killing 38.