TIMELINE: Deadliest bomb attacks in Iraq

(Reuters) - The death toll from Sunday's suicide bomb attack on Iraqi pilgrims heading to a Shi'ite festival south of Baghdad has risen to 63, a health official said on Monday.

Here is a list of some of the deadliest bomb attacks in Iraq in the past year:

February 1 - Two suicide bombers strike at a market in the Shi'ite town of Hilla, killing 61 people and wounding 150.

February 3 - A truck bomb kills 135 people and wounds 305 at a market in the Sadriya quarter of central Baghdad.

February 12 - Multiple car bombs explode in the Shorja wholesale market, killing at least 71 people and wounding 165. At least nine are killed at the Bab al-Sharji market also in Baghdad.

March 6 - Two suicide bombers strike in Hilla, south of Baghdad, killing 105 pilgrims. Insurgents launch a total of 12 attacks against Shi'ite pilgrims. In all, 137 pilgrims are killed and 310 are wounded.

March 27 - A truck bomb explodes in Tal Afar, close to the Syrian border and the regional capital Mosul. The final death toll of 152 makes it the deadliest single insurgent attack in Iraq since the U.S.-led invasion in 2003.

April 14 - A suicide car bomber kills 40 people and wounds more than 70 at a bus station in the Iraqi holy city of Kerbala.

April 18 - Multiple car bombings kill 191 people around Baghdad. Near a market in the central Sadriya neighborhood, one car bomb kills 140 people and wounds 150.

April 28 - A suicide car bomber kills 60 people and wounds 170 at a checkpoint in Kerbala.

May 13 - Suicide truck bombing in northern town of Makhmour kills 50, with 70 people wounded.

June 19 - A car bomb near the Khilani Shi'ite mosque in central Baghdad kills 87 people.

July 7 - A truck packed with explosives covered with hay blows up in a crowded market in the northern town of Tuz Khurmato, killing 150 people and wounding 250.

July 16 - Eighty-five people are killed by a suicide truck bomb in the city of Kirkuk. At least 180 are wounded.

August 14 - At least three suicide bombers driving fuel tankers kill and wound at least 796 people in Yazidi residential compounds in the villages of Kahtaniya and al-Jazeera in northern Iraq near the Syrian border. Yazidis are members of a pre-Islamic Kurdish sect who live in northern Iraq and Syria.

Oct 29 - A suicide bomber on a bicycle kills 30 policemen at their base in the province of Diyala.