CHRONOLOGY: Major terrorist attacks since September 11, 2001

Aug 22, 2011, 1:01 GMT

Washington - The deadliest terrorist attacks since September 11, 2001:

November 26-29, 2008, Mumbai: 173 die in attacks blamed on Pakistani terrorist group.

October 16, 2006, Habarana, Sri Lanka: suicide bombing by suspected Tamil rebels kills at least 100 people.

July 11, 2006, India: Muslim terrorist attacks on rail system in Mumbai kill 182 people, injure 770.

October 13, 2005, Russia: A large unit of suspected Islamic militants attacks Russia's North Caucasus city of Nalchik, with a reported 130 people killed.

July 7, 2005, Britain: Four Muslims blow themselves up on London's transport system, killing 56 and injuring 700.

September 1, 2004, Russia: A group of 30 armed men and women seize a school in Beslan in the southern Russian region of North Ossetia, taking 1,100 hostages. More than 330, a majority of them children, are killed in a bloody end to the siege, which also kills 30 terrorists.

August 24, 2004, Russia: Two Russian airliners crash within an hour of each other in the south of the country after explosives are detonated on board. A total of 90 people confirmed dead.

March 11, 2004, Spain: Ten bombs explode on four commuter trains in Madrid killing 191 people. The attack is blamed on Moroccan Islamists. Suspects escape, but several later are killed in explosions.

March 2, 2004, Kadhimiya and Karbala, Iraq: multiple suicide bombings claim more than 180 lives

February 27, 2004, Manila: Bombing of ferry by Islamic terrorists kills more than 110.

August 29, 2003, Najaf, Iraq: Car bombing outside mosque kills at least 120.

October 26, 2002, Moscow: Chechen terrorists take 800 hostages in a theatre; 129 hostages and 41 terrorists killed in rescue attempt.

October 12, 2002, Indonesia: Double bomb attack on discotheques on the island of Bali claims 202 lives.

September 11, 2001, United States: Islamic terrorists hijack four U.S. passenger planes. Two are crashed into the twin towers of New York's World Trade Centre, one targets the Pentagon in Washington while the fourth crashes in a field in Pennsylvania. Nearly 3,000 killed.

Read more about Sept11