Some of the deadly bombing attacks in Iraq since the war began March 20. President Bush declared major combat over May 1.

--March 2: Series of coordinated blasts struck major Shiite Muslim shrines in Karbala and Baghdad as thousands of pilgrims converged for the final day of a major religious festival. Scores were killed and wounded.

--Feb. 23: A homicide bomber detonates an explosives-packed vehicle outside an Iraqi police station in a Kurdish neighborhood of the northern city of Kirkuk, killing at least seven other people and wounding at least 35.

--Feb. 18: Two bomb-laden trucks blow up outside a Polish-run base in Hillah, killing at least 10 people, including the two drivers. Some 65 people are wounded, including Iraqis, Filipinos, Poles, Hungarians and an American.

--Feb. 11: A homicide attacker blows up a car packed with explosives in a crowd of Iraqis waiting outside an army recruiting center in Baghdad, killing 47 people.

--Feb. 10: A homicide bomber explodes a truckload of explosives outside a police station in Iskandariyah, 30 miles south of Baghdad, killing 53 people.

--Feb. 1: Twin homicide bombers kill 109 people in two Kurdish party offices in the northern city of Irbil.

--Jan. 31: At least nine killed, 45 wounded by car bomb outside police station in the northern city of Mosul.

--Jan. 18: Homicide car bombing near main gate to U.S.-led coalition's headquarters in Baghdad kills at least 31 people.

--Jan. 17: Roadside bomb explodes near Baghdad, killing three U.S. soldiers and two Iraqi civil defense troopers. U.S. death toll reaches 500 with bombing.

--Dec. 31, 2003: Car bomb rips through restaurant holding New Year's Eve party, killing eight Iraqis and wounding 35.

--Dec. 14: Suspected homicide bomber detonates explosives in car outside police station in Khaldiyah, killing at least 17, wounding 33.

--Nov. 22: Car bombs hit two police stations northeast of Baghdad, killing at least 12 Iraqis.

--Nov. 20: Truck bomb explodes near Kurdish party office in northern oil city of Kirkuk, killing five people, wounding 30. Local officials blame Islamic extremists linked to al-Qaida.

--Nov. 12: Homicide truck bomber attacks headquarters of Italy's paramilitary police in southern city of Nasiriyah, killing more than 30 people, including 19 Italians.

--Oct. 27: Four homicide bombings target international Red Cross headquarters and four Iraqi police stations in Baghdad, killing 40 people, mostly Iraqis.

--Oct. 9: Homicide bomber drives Oldsmobile into police station in Baghdad's Sadr City district, killing nine Iraqis.

--Aug. 29: Car bomb explodes outside mosque in Shiite Muslim holy city of Najaf, killing more than 85 people, including Shiite leader Ayatollah Mohammed Baqir al-Hakim.

--Aug. 19: Truck bomber strikes U.N. headquarters in Baghdad, killing 22, including top U.N. envoy to Iraq, Sergio Vieira de Mello.

--Aug. 7: Car bomb explodes outside Jordanian Embassy, killing 19, including two children.